Q: What is the sum of all factors of the number 123,623,665 excluding 123,623,665?

A: 45,115,535

Why is 45,115,535 the sum of all factors of 123,623,665, excluding 123,623,665?

The factors of the number 123,623,665 are: 1, 5, 11, 29, 55, 145, 179, 319, 433, 895, 1595, 1969, 2165, 4763, 5191, 9845, 12557, 23815, 25955, 57101, 62785, 77507, 138127, 285505, 387535, 690635, 852577, 2247703, 4262885, 11238515, 24724733, 123623665.

If you add them up, you will get the total of 123,623,710. Now subtract 123,623,665 to get 45,115,535