#include <bits/stdc++.h>

using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int n, x, k;
long long phi[100005];
int main()
{
    int i, j;
    fin >> n;
    for (i = 1; i <= 100000; i++)
        phi[i] = i - 1;
    for (i = 1; i <= 100000; i++)
    {
        for (j = 2 * i; j <= 100000; j += i)
            phi[j] -= phi[i];
    }
    while (n--)
    {
        fin >> x;
        fout << phi[x] * x * 2<<'\n';
    }
    return 0;
}