Q: What is the sum of all factors of the number 513,646,040 excluding 513,646,040?

A: 653,980,840

Why is 653,980,840 the sum of all factors of 513,646,040, excluding 513,646,040?

The factors of the number 513,646,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 132383, 264766, 529532, 661915, 1059064, 1323830, 2647660, 5295320, 12841151, 25682302, 51364604, 64205755, 102729208, 128411510, 256823020, 513646040.

If you add them up, you will get the total of 513,646,693. Now subtract 513,646,040 to get 653,980,840