#include <bits/stdc++.h>

#define NMAX 100005
using namespace std;

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

int phi[NMAX];

int main()
{
    for(int i = 1; i <= NMAX - 5; ++i)
        phi[i] = i - 1;

    for(int i = 1; i <= NMAX - 5; ++i)
        for(int j = 2 * i; j <= NMAX - 5; j += i)
            phi[j] -= phi[i];

    int t;
    fin >> t;

    while(t--){
        int x;
        fin >> x;

        fout << 2 * x * phi[x] << '\n';
    }
    return 0;
}