890032540

素因数分解:

$2^2\times 5^1\times {\mathrm{3557}}^1\times {\mathrm{12511}}^1$

素因数の和:16077

約数の個数: 24

約数和(自身を含む): 1869743232

約数和(自身を除く): 979710692

約数列:

[1, 2, 4, 5, 10, 20, 3557, 7114, 12511, 14228, 17785, 25022, 35570, 50044, 62555, 71140, 125110, 250220, 44501627, 89003254, 178006508, 222508135, 445016270, 890032540]

約数ペア:

[(1, 890032540), (2, 445016270), (4, 222508135), (5, 178006508), (10, 89003254), (20, 44501627), (3557, 250220), (7114, 125110), (12511, 71140), (14228, 62555), (17785, 50044), (25022, 35570)]