Q: What is the sum of all factors of the number 30,816,880 excluding 30,816,880?

A: 42,057,920

Why is 42,057,920 the sum of all factors of 30,816,880, excluding 30,816,880?

The factors of the number 30,816,880 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 6529, 13058, 26116, 32645, 52232, 65290, 104464, 130580, 261160, 385211, 522320, 770422, 1540844, 1926055, 3081688, 3852110, 6163376, 7704220, 15408440, 30816880.

If you add them up, you will get the total of 30,816,922. Now subtract 30,816,880 to get 42,057,920