40787980

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5381}}^1$

素因数の和:5769

約数の個数: 24

約数和(自身を含む): 85896720

約数和(自身を除く): 45108740

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 5381, 7580, 10762, 21524, 26905, 53810, 107620, 2039399, 4078798, 8157596, 10196995, 20393990, 40787980]

約数ペア:

[(1, 40787980), (2, 20393990), (4, 10196995), (5, 8157596), (10, 4078798), (20, 2039399), (379, 107620), (758, 53810), (1516, 26905), (1895, 21524), (3790, 10762), (5381, 7580)]