90001460

素因数分解:

$2^2\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2207}}^1$

素因数の和:4255

約数の個数: 24

約数和(自身を含む): 189181440

約数和(自身を除く): 99179980

約数列:

[1, 2, 4, 5, 10, 20, 2039, 2207, 4078, 4414, 8156, 8828, 10195, 11035, 20390, 22070, 40780, 44140, 4500073, 9000146, 18000292, 22500365, 45000730, 90001460]

約数ペア:

[(1, 90001460), (2, 45000730), (4, 22500365), (5, 18000292), (10, 9000146), (20, 4500073), (2039, 44140), (2207, 40780), (4078, 22070), (4414, 20390), (8156, 11035), (8828, 10195)]