#include <fstream>

using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");
int v[100002];
int main()
{
    for(int i=1; i<=100002; i++)
    {
        v[i]=i-1;
    }
    for(int i=2; i<100002; i++)
    {
        for(int j=i*2; j<100002; j+=i)
        {
            v[j]-=v[i];
        }
    }
    int n;
    in>>n;
    while(n--)
    {
        int valuare;
        in>>valuare;
        unsigned long long sum;
        sum=2*valuare*v[valuare];
        out<<sum<<'\n';
    }
    return 0;
}