Q: What is the sum of all factors of the number 1,243,280 including 1,243,280?
A: 2,890,812
The factors of the number 1,243,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15541, 31082, 62164, 77705, 124328, 155410, 248656, 310820, 621640, 1243280.
If you add them up, you will get the total of 2,890,812.