Q: What is the sum of all factors of the number 161,272,625 including 161,272,625?

A: 220,540,320

Why is 220,540,320 the sum of all factors of 161,272,625, including 161,272,625?

The factors of the number 161,272,625 are: 1, 5, 17, 25, 29, 85, 125, 145, 425, 493, 725, 2125, 2465, 2617, 3625, 12325, 13085, 44489, 61625, 65425, 75893, 222445, 327125, 379465, 1112225, 1290181, 1897325, 5561125, 6450905, 9486625, 32254525, 161272625.

If you add them up, you will get the total of 220,540,320.