Q: What is the sum of all factors of the number 12,939,100 excluding 12,939,100?

A: 15,746,564

Why is 15,746,564 the sum of all factors of 12,939,100, excluding 12,939,100?

The factors of the number 12,939,100 are: 1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 2753, 4700, 5506, 11012, 13765, 27530, 55060, 68825, 129391, 137650, 258782, 275300, 517564, 646955, 1293910, 2587820, 3234775, 6469550, 12939100.

If you add them up, you will get the total of 12,939,115. Now subtract 12,939,100 to get 15,746,564