#include<fstream>
using namespace std;
int v[100002];

int main()
{
    ifstream in("sum.in");
    ofstream out("sum.out");
    int n,i,j,x;
    for(i=1;i<=100000;++i)
        v[i]=i;
    for(i=2;i<=100000;++i)
        if(v[i]==i)
            for(j=i;j<=100000;j+=i)
                v[j]=v[j]/i*(i-1);

    in>>n;
    while(n--)
    {
        in>>x;
        out<<2*x*v[x]<<"\n";
    }
    return 0;
}