8800180

素因数分解:

$2^2\times 5^1\times {\mathrm{440009}}^1$

素因数の和:440018

約数の個数: 12

約数和(自身を含む): 18480420

約数和(自身を除く): 9680240

約数列:

[1, 2, 4, 5, 10, 20, 440009, 880018, 1760036, 2200045, 4400090, 8800180]

約数ペア:

[(1, 8800180), (2, 4400090), (4, 2200045), (5, 1760036), (10, 880018), (20, 440009)]