11985980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1201}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 25242000

約数和(自身を除く): 13256020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1201, 1996, 2402, 2495, 4804, 4990, 6005, 9980, 12010, 24020, 599299, 1198598, 2397196, 2996495, 5992990, 11985980]

約数ペア:

[(1, 11985980), (2, 5992990), (4, 2996495), (5, 2397196), (10, 1198598), (20, 599299), (499, 24020), (998, 12010), (1201, 9980), (1996, 6005), (2402, 4990), (2495, 4804)]