4238180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2479

約数の個数: 24

約数和(自身を含む): 9003960

約数和(自身を除く): 4765780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2381, 4762, 9524, 11905, 23810, 47620, 211909, 423818, 847636, 1059545, 2119090, 4238180]

約数ペア:

[(1, 4238180), (2, 2119090), (4, 1059545), (5, 847636), (10, 423818), (20, 211909), (89, 47620), (178, 23810), (356, 11905), (445, 9524), (890, 4762), (1780, 2381)]