Q: What is the sum of all factors of the number 9,000 including 9,000?

A: 30,420

Why is 30,420 the sum of all factors of 9,000, including 9,000?

The factors of the number 9,000 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 4500, 9000.

If you add them up, you will get the total of 30,420.