12927620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 16102780

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 719, 899, 1438, 1798, 2876, 3595, 3596, 4495, 7190, 8990, 14380, 17980, 20851, 22289, 41702, 44578, 83404, 89156, 104255, 111445, 208510, 222890, 417020, 445780, 646381, 1292762, 2585524, 3231905, 6463810, 12927620]

約数ペア:

[(1, 12927620), (2, 6463810), (4, 3231905), (5, 2585524), (10, 1292762), (20, 646381), (29, 445780), (31, 417020), (58, 222890), (62, 208510), (116, 111445), (124, 104255), (145, 89156), (155, 83404), (290, 44578), (310, 41702), (580, 22289), (620, 20851), (719, 17980), (899, 14380), (1438, 8990), (1798, 7190), (2876, 4495), (3595, 3596)]