Q: What is the sum of all factors of the number 505,520 including 505,520?

A: 1,205,280

Why is 1,205,280 the sum of all factors of 505,520, including 505,520?

The factors of the number 505,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 142, 178, 284, 355, 356, 445, 568, 710, 712, 890, 1136, 1420, 1424, 1780, 2840, 3560, 5680, 6319, 7120, 12638, 25276, 31595, 50552, 63190, 101104, 126380, 252760, 505520.

If you add them up, you will get the total of 1,205,280.