#include <fstream>

using namespace std;
const int NMAX = 100000;

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

int Phi[NMAX + 1];

void Euler(int n)
{
    for(int i = 1; i <= n; i++)
        Phi[i] = i;
    for(int i = 2; i <= n; i++)
        if(Phi[i] == i)
            for(int j = i; j <= n; j += i)
                Phi[j] -= Phi[j] / i;
}

int main()
{
    int n, T;
    in >> T;
    Euler(NMAX);
    while(T--)
    {
        in >> n;
        out << 2LL * Phi[n] * n << '\n';
    }
    in.close();
    out.close();
}