31701220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51131}}^1$

素因数の和:51171

約数の個数: 24

約数和(自身を含む): 68721408

約数和(自身を除く): 37020188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 51131, 102262, 204524, 255655, 511310, 1022620, 1585061, 3170122, 6340244, 7925305, 15850610, 31701220]

約数ペア:

[(1, 31701220), (2, 15850610), (4, 7925305), (5, 6340244), (10, 3170122), (20, 1585061), (31, 1022620), (62, 511310), (124, 255655), (155, 204524), (310, 102262), (620, 51131)]