Q: What is the sum of all factors of the number 1,321,220 including 1,321,220?
A: 2,865,408
The factors of the number 1,321,220 are: 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2131, 4262, 8524, 10655, 21310, 42620, 66061, 132122, 264244, 330305, 660610, 1321220.
If you add them up, you will get the total of 2,865,408.