# include <fstream>
# define xmax 100005
using namespace std;
ifstream f ("sum.in");
ofstream g ("sum.out");
int p[xmax+100],i,j,n,x;
long long int s;
int main ()
{
	f>>n;
	for (i=1;i<=xmax;i++)
		p[i]=i;
	
	for (i=2;i<=xmax;i++)
		if (p[i]==i)
			for (j=i;j<=xmax;j+=i)
				p[j]=p[j]-p[j]/i;
			
			
	for (i=1;i<=n;i++)
	{
		f>>x;
		s=2*p[x]*x;
		g<<s<<"\n";
	}
	
	return 0;
}