56739020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218227}}^1$

素因数の和:218249

約数の個数: 24

約数和(自身を含む): 128318064

約数和(自身を除く): 71579044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218227, 436454, 872908, 1091135, 2182270, 2836951, 4364540, 5673902, 11347804, 14184755, 28369510, 56739020]

約数ペア:

[(1, 56739020), (2, 28369510), (4, 14184755), (5, 11347804), (10, 5673902), (13, 4364540), (20, 2836951), (26, 2182270), (52, 1091135), (65, 872908), (130, 436454), (260, 218227)]