9831280180

素因数分解:

$2^2\times 5^1\times {\mathrm{491564009}}^1$

素因数の和:491564018

約数の個数: 12

約数和(自身を含む): 20645688420

約数和(自身を除く): 10814408240

約数列:

[1, 2, 4, 5, 10, 20, 491564009, 983128018, 1966256036, 2457820045, 4915640090, 9831280180]

約数ペア:

[(1, 9831280180), (2, 4915640090), (4, 2457820045), (5, 1966256036), (10, 983128018), (20, 491564009)]