#include <iostream>
#include <fstream>
#define nmax 100002

using namespace std;

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

long long phi[nmax],v[nmax],x;
int n;

int main()
{
    in >> n;

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

    for (int i=1; i<=n; i++){
        in >> x;
        cout << x*phi[x]*2 << "\n";
    }

    return 0;
}