#include <fstream>

using namespace std;

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

const int maxn = 100000;

long long int phi[maxn + 1];
int N;

void indicator()
{
	for (int i = 1;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];
	return;
}

int main()
{
	fi >> N;
	indicator();
	for (int i = 1;i <= N;i++)
	{
		int nr;
		fi >> nr;
		fo << 2 * nr*phi[nr] << '\n';
	}
	return 0;
}