Q: What is the sum of all factors of the number 4,080,420 including 4,080,420?

A: 12,377,820

Why is 12,377,820 the sum of all factors of 4,080,420, including 4,080,420?

The factors of the number 4,080,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 22669, 45338, 68007, 90676, 113345, 136014, 204021, 226690, 272028, 340035, 408042, 453380, 680070, 816084, 1020105, 1360140, 2040210, 4080420.

If you add them up, you will get the total of 12,377,820.