#include <fstream.h>
ifstream f("sum.in");
ofstream q("sum.out");
long i,n,x;
long long solutie,sol[100001];
void eratostene()
{
 int j,k;
 for (j=2; j<=100000; j++)
   sol[j]=j-1;
 for (j=2; j<=100000; j++)
   for (k=2*j; k<=100000; k+=j)
     sol[k]-=sol[j]; 
}
int main()
{
 f >> n;
 eratostene();
 for (i=1; i<=n; i++)   
   {
    f >> x;
    solutie=2*x*sol[x];
    q << solutie <<"\n";
   }   
 return 0;
}