Q: What is the sum of all factors of the number 1,255,020 including 1,255,020?

A: 3,786,720

Why is 3,786,720 the sum of all factors of 1,255,020, including 1,255,020?

The factors of the number 1,255,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1609, 3218, 4827, 6436, 8045, 9654, 16090, 19308, 20917, 24135, 32180, 41834, 48270, 62751, 83668, 96540, 104585, 125502, 209170, 251004, 313755, 418340, 627510, 1255020.

If you add them up, you will get the total of 3,786,720.