40478660

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3557}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 85178520

約数和(自身を除く): 44699860

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 3557, 5690, 7114, 11380, 14228, 17785, 35570, 71140, 2023933, 4047866, 8095732, 10119665, 20239330, 40478660]

約数ペア:

[(1, 40478660), (2, 20239330), (4, 10119665), (5, 8095732), (10, 4047866), (20, 2023933), (569, 71140), (1138, 35570), (2276, 17785), (2845, 14228), (3557, 11380), (5690, 7114)]