39812180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19709}}^1$

素因数の和:19819

約数の個数: 24

約数和(自身を含む): 84437640

約数和(自身を除く): 44625460

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 19709, 39418, 78836, 98545, 197090, 394180, 1990609, 3981218, 7962436, 9953045, 19906090, 39812180]

約数ペア:

[(1, 39812180), (2, 19906090), (4, 9953045), (5, 7962436), (10, 3981218), (20, 1990609), (101, 394180), (202, 197090), (404, 98545), (505, 78836), (1010, 39418), (2020, 19709)]