Q: What is the sum of all factors of the number 12,687,880 excluding 12,687,880?
A: 15,859,940
The factors of the number 12,687,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 317197, 634394, 1268788, 1585985, 2537576, 3171970, 6343940, 12687880.
If you add them up, you will get the total of 12,687,895. Now subtract 12,687,880 to get 15,859,940