Q: What is the sum of all factors of the number 12,400,420 excluding 12,400,420?
A: 13,706,780
The factors of the number 12,400,420 are: 1, 2, 4, 5, 10, 20, 739, 839, 1478, 1678, 2956, 3356, 3695, 4195, 7390, 8390, 14780, 16780, 620021, 1240042, 2480084, 3100105, 6200210, 12400420.
If you add them up, you will get the total of 12,400,433. Now subtract 12,400,420 to get 13,706,780