51730180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25609}}^1$

素因数の和:25719

約数の個数: 24

約数和(自身を含む): 109713240

約数和(自身を除く): 57983060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 25609, 51218, 102436, 128045, 256090, 512180, 2586509, 5173018, 10346036, 12932545, 25865090, 51730180]

約数ペア:

[(1, 51730180), (2, 25865090), (4, 12932545), (5, 10346036), (10, 5173018), (20, 2586509), (101, 512180), (202, 256090), (404, 128045), (505, 102436), (1010, 51218), (2020, 25609)]