Q: What is the sum of all factors of the number 1,221,040 including 1,221,040?
A: 2,839,104
The factors of the number 1,221,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15263, 30526, 61052, 76315, 122104, 152630, 244208, 305260, 610520, 1221040.
If you add them up, you will get the total of 2,839,104.