51315800

素因数分解:

$2^3\times 5^2\times {\mathrm{256579}}^1$

素因数の和:256595

約数の個数: 24

約数和(自身を含む): 119309700

約数和(自身を除く): 67993900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 256579, 513158, 1026316, 1282895, 2052632, 2565790, 5131580, 6414475, 10263160, 12828950, 25657900, 51315800]

約数ペア:

[(1, 51315800), (2, 25657900), (4, 12828950), (5, 10263160), (8, 6414475), (10, 5131580), (20, 2565790), (25, 2052632), (40, 1282895), (50, 1026316), (100, 513158), (200, 256579)]