408035240

素因数分解:

$2^3\times 5^1\times {\mathrm{10200881}}^1$

素因数の和:10200892

約数の個数: 16

約数和(自身を含む): 918079380

約数和(自身を除く): 510044140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10200881, 20401762, 40803524, 51004405, 81607048, 102008810, 204017620, 408035240]

約数ペア:

[(1, 408035240), (2, 204017620), (4, 102008810), (5, 81607048), (8, 51004405), (10, 40803524), (20, 20401762), (40, 10200881)]