28337620

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1231}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 59609088

約数和(自身を除く): 31271468

約数列:

[1, 2, 4, 5, 10, 20, 1151, 1231, 2302, 2462, 4604, 4924, 5755, 6155, 11510, 12310, 23020, 24620, 1416881, 2833762, 5667524, 7084405, 14168810, 28337620]

約数ペア:

[(1, 28337620), (2, 14168810), (4, 7084405), (5, 5667524), (10, 2833762), (20, 1416881), (1151, 24620), (1231, 23020), (2302, 12310), (2462, 11510), (4604, 6155), (4924, 5755)]