40217080

素因数分解:

$2^3\times 5^1\times {\mathrm{1005427}}^1$

素因数の和:1005438

約数の個数: 16

約数和(自身を含む): 90488520

約数和(自身を除く): 50271440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005427, 2010854, 4021708, 5027135, 8043416, 10054270, 20108540, 40217080]

約数ペア:

[(1, 40217080), (2, 20108540), (4, 10054270), (5, 8043416), (8, 5027135), (10, 4021708), (20, 2010854), (40, 1005427)]