40316020

素因数分解:

$2^2\times 5^1\times {\mathrm{2015801}}^1$

素因数の和:2015810

約数の個数: 12

約数和(自身を含む): 84663684

約数和(自身を除く): 44347664

約数列:

[1, 2, 4, 5, 10, 20, 2015801, 4031602, 8063204, 10079005, 20158010, 40316020]

約数ペア:

[(1, 40316020), (2, 20158010), (4, 10079005), (5, 8063204), (10, 4031602), (20, 2015801)]