56904220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91781}}^1$

素因数の和:91821

約数の個数: 24

約数和(自身を含む): 123355008

約数和(自身を除く): 66450788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 91781, 183562, 367124, 458905, 917810, 1835620, 2845211, 5690422, 11380844, 14226055, 28452110, 56904220]

約数ペア:

[(1, 56904220), (2, 28452110), (4, 14226055), (5, 11380844), (10, 5690422), (20, 2845211), (31, 1835620), (62, 917810), (124, 458905), (155, 367124), (310, 183562), (620, 91781)]