28136450

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{3109}}^1$

素因数の和:3302

約数の個数: 24

約数和(自身を含む): 52639860

約数和(自身を除く): 24503410

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 3109, 4525, 6218, 9050, 15545, 31090, 77725, 155450, 562729, 1125458, 2813645, 5627290, 14068225, 28136450]

約数ペア:

[(1, 28136450), (2, 14068225), (5, 5627290), (10, 2813645), (25, 1125458), (50, 562729), (181, 155450), (362, 77725), (905, 31090), (1810, 15545), (3109, 9050), (4525, 6218)]