#include <bits/stdc++.h>
#define N 100000
using namespace std;

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

int phi[N+5];
int Q;
void Phi()
{
    int i,j;
    for(i=1;i<=N;++i)
        phi[i]=i;
    for(i=1;i<=N/2;++i)
        for(j=2*i;j<=N;j+=i)
        phi[j]-=phi[i];
}

void Citire()
{
    int i,x;
    fin>>Q;
    for(i=1;i<=Q;++i)
    {
        fin>>x;
        fout<<1LL*2*x*phi[x]<<"\n";
    }
}
int main()
{
   Phi();
   Citire();
   fin.close();
   fout.close();
    return 0;
}