#include <iostream>
#include <fstream>
#include <cmath>

using namespace std;

ifstream in("sum.in");
ofstream out("sum.out");

int phi[100001];

int main()
{
    int n, x, i, j, k = 2;
    in >> n;
    for (i = 1; i <= 100000; ++i)
        phi[i] = i - 1;
    for (i = 2; i <= 100000; ++i)
    {
        for(j = 2 * i; j <= 100000; j += i)
            phi[j] -= phi[i];
    }
    for (i = 1; i <= n; ++i)
    {
        in >> x;
        out << 2 * phi[x] * x << '\n';
    }
    return 0;
}