40475540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289111}}^1$

素因数の和:289127

約数の個数: 24

約数和(自身を含む): 97141632

約数和(自身を除く): 56666092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289111, 578222, 1156444, 1445555, 2023777, 2891110, 4047554, 5782220, 8095108, 10118885, 20237770, 40475540]

約数ペア:

[(1, 40475540), (2, 20237770), (4, 10118885), (5, 8095108), (7, 5782220), (10, 4047554), (14, 2891110), (20, 2023777), (28, 1445555), (35, 1156444), (70, 578222), (140, 289111)]