40402660

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2293}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 84978936

約数和(自身を除く): 44576276

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 2293, 3524, 4405, 4586, 8810, 9172, 11465, 17620, 22930, 45860, 2020133, 4040266, 8080532, 10100665, 20201330, 40402660]

約数ペア:

[(1, 40402660), (2, 20201330), (4, 10100665), (5, 8080532), (10, 4040266), (20, 2020133), (881, 45860), (1762, 22930), (2293, 17620), (3524, 11465), (4405, 9172), (4586, 8810)]