201236440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49811}}^1$

素因数の和:49923

約数の個数: 32

約数和(自身を含む): 457274160

約数和(自身を除く): 256037720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49811, 99622, 199244, 249055, 398488, 498110, 996220, 1992440, 5030911, 10061822, 20123644, 25154555, 40247288, 50309110, 100618220, 201236440]

約数ペア:

[(1, 201236440), (2, 100618220), (4, 50309110), (5, 40247288), (8, 25154555), (10, 20123644), (20, 10061822), (40, 5030911), (101, 1992440), (202, 996220), (404, 498110), (505, 398488), (808, 249055), (1010, 199244), (2020, 99622), (4040, 49811)]