//#include <iostream>
#include <fstream>
using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
long long phi[100005];
int main()
{
    for(int i=1;i<=100000;i++){
        phi[i]=i-1;
    }
    for(int i=1;i<=100000;i++){
        for(int j=2*i;j<=100000;j+=i){
            phi[j]-=phi[i];
        }
    }
    int t,x;
    cin>>t;
    while(t--){
        cin>>x;
        cout<<2*x*phi[x]<<"\n";
    }
    return 0;
}