Q: What is the sum of all factors of the number 1,561,660 including 1,561,660?
A: 3,313,296
The factors of the number 1,561,660 are: 1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 691, 1130, 1382, 2260, 2764, 3455, 6910, 13820, 78083, 156166, 312332, 390415, 780830, 1561660.
If you add them up, you will get the total of 3,313,296.