52390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:64

約数の個数: 24

約数和(自身を含む): 105408

約数和(自身を除く): 53018

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5239, 10478, 26195, 52390]

約数ペア:

[(1, 52390), (2, 26195), (5, 10478), (10, 5239), (13, 4030), (26, 2015), (31, 1690), (62, 845), (65, 806), (130, 403), (155, 338), (169, 310)]