51901820

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{2029}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 109132800

約数和(自身を除く): 57230980

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2029, 2558, 4058, 5116, 6395, 8116, 10145, 12790, 20290, 25580, 40580, 2595091, 5190182, 10380364, 12975455, 25950910, 51901820]

約数ペア:

[(1, 51901820), (2, 25950910), (4, 12975455), (5, 10380364), (10, 5190182), (20, 2595091), (1279, 40580), (2029, 25580), (2558, 20290), (4058, 12790), (5116, 10145), (6395, 8116)]