Q: What is the sum of all factors of the number 268,480 including 268,480?
A: 640,080
The factors of the number 268,480 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 839, 1678, 3356, 4195, 6712, 8390, 13424, 16780, 26848, 33560, 53696, 67120, 134240, 268480.
If you add them up, you will get the total of 640,080.