56250020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65407}}^1$

素因数の和:65459

約数の個数: 24

約数和(自身を含む): 120873984

約数和(自身を除く): 64623964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65407, 130814, 261628, 327035, 654070, 1308140, 2812501, 5625002, 11250004, 14062505, 28125010, 56250020]

約数ペア:

[(1, 56250020), (2, 28125010), (4, 14062505), (5, 11250004), (10, 5625002), (20, 2812501), (43, 1308140), (86, 654070), (172, 327035), (215, 261628), (430, 130814), (860, 65407)]