Q: What is the sum of all factors of the number 1,255,640 excluding 1,255,640?
A: 1,569,640
The factors of the number 1,255,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 31391, 62782, 125564, 156955, 251128, 313910, 627820, 1255640.
If you add them up, you will get the total of 1,255,641. Now subtract 1,255,640 to get 1,569,640