40205240

素因数分解:

$2^3\times 5^1\times {\mathrm{1005131}}^1$

素因数の和:1005142

約数の個数: 16

約数和(自身を含む): 90461880

約数和(自身を除く): 50256640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005131, 2010262, 4020524, 5025655, 8041048, 10051310, 20102620, 40205240]

約数ペア:

[(1, 40205240), (2, 20102620), (4, 10051310), (5, 8041048), (8, 5025655), (10, 4020524), (20, 2010262), (40, 1005131)]