#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <fstream>
using namespace std;

const string file = "sum";

const string infile = file + ".in";
const string outfile = file + ".out";

#define MAXN 100010
vector<int> PHI;
void preproc()
{
	PHI.reserve(MAXN+1);
	PHI[1] = 1;
	for(int i  = 2; i <= MAXN; i++)
	{
		PHI[i] = i - 1;
	}

	for(int i = 2; i < MAXN; i++)
	{
		for(int j = 2 * i; j < MAXN; j+= i)
		{
			PHI[j] -= PHI[i];
		}
	}
}

long long query(int x)
{
	return 1LL * PHI[x] * x * 2;
}

void citire()
{
	preproc();
	ifstream fin(infile.c_str());
	ofstream fout(outfile.c_str());
	int N;
	fin >> N;

	for (int i = 0; i < N; ++i)
	{
		int x;
		fin >> x;
		fout << query(x) << "\n";
	}
	fout.close();
	fin.close();
}


int main()
{
	citire();

}