40135240

素因数分解:

$2^3\times 5^1\times {\mathrm{1003381}}^1$

素因数の和:1003392

約数の個数: 16

約数和(自身を含む): 90304380

約数和(自身を除く): 50169140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1003381, 2006762, 4013524, 5016905, 8027048, 10033810, 20067620, 40135240]

約数ペア:

[(1, 40135240), (2, 20067620), (4, 10033810), (5, 8027048), (8, 5016905), (10, 4013524), (20, 2006762), (40, 1003381)]