90300580

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5581}}^1$

素因数の和:6399

約数の個数: 24

約数和(自身を含む): 189899640

約数和(自身を除く): 99599060

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5581, 8090, 11162, 16180, 22324, 27905, 55810, 111620, 4515029, 9030058, 18060116, 22575145, 45150290, 90300580]

約数ペア:

[(1, 90300580), (2, 45150290), (4, 22575145), (5, 18060116), (10, 9030058), (20, 4515029), (809, 111620), (1618, 55810), (3236, 27905), (4045, 22324), (5581, 16180), (8090, 11162)]