40522540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28537}}^1$

素因数の和:28617

約数の個数: 24

約数和(自身を含む): 86298912

約数和(自身を除く): 45776372

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28537, 57074, 114148, 142685, 285370, 570740, 2026127, 4052254, 8104508, 10130635, 20261270, 40522540]

約数ペア:

[(1, 40522540), (2, 20261270), (4, 10130635), (5, 8104508), (10, 4052254), (20, 2026127), (71, 570740), (142, 285370), (284, 142685), (355, 114148), (710, 57074), (1420, 28537)]