40720570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8609}}^1$

素因数の和:8670

約数の個数: 32

約数和(自身を含む): 81829440

約数和(自身を除く): 41108870

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 8609, 17218, 43045, 86090, 94699, 189398, 370187, 473495, 740374, 946990, 1850935, 3701870, 4072057, 8144114, 20360285, 40720570]

約数ペア:

[(1, 40720570), (2, 20360285), (5, 8144114), (10, 4072057), (11, 3701870), (22, 1850935), (43, 946990), (55, 740374), (86, 473495), (110, 370187), (215, 189398), (430, 94699), (473, 86090), (946, 43045), (2365, 17218), (4730, 8609)]