Q: What is the sum of all factors of the number 6,528,420 excluding 6,528,420?

A: 13,275,000

Why is 13,275,000 the sum of all factors of 6,528,420, excluding 6,528,420?

The factors of the number 6,528,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 36269, 72538, 108807, 145076, 181345, 217614, 326421, 362690, 435228, 544035, 652842, 725380, 1088070, 1305684, 1632105, 2176140, 3264210, 6528420.

If you add them up, you will get the total of 6,528,433. Now subtract 6,528,420 to get 13,275,000