Q: What is the sum of all factors of the number 100,042,520 excluding 100,042,520?

A: 127,291,000

Why is 127,291,000 the sum of all factors of 100,042,520, excluding 100,042,520?

The factors of the number 100,042,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 24763, 49526, 99052, 123815, 198104, 247630, 495260, 990520, 2501063, 5002126, 10004252, 12505315, 20008504, 25010630, 50021260, 100042520.

If you add them up, you will get the total of 100,042,647. Now subtract 100,042,520 to get 127,291,000