55915240

素因数分解:

$2^3\times 5^1\times {\mathrm{1397881}}^1$

素因数の和:1397892

約数の個数: 16

約数和(自身を含む): 125809380

約数和(自身を除く): 69894140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1397881, 2795762, 5591524, 6989405, 11183048, 13978810, 27957620, 55915240]

約数ペア:

[(1, 55915240), (2, 27957620), (4, 13978810), (5, 11183048), (8, 6989405), (10, 5591524), (20, 2795762), (40, 1397881)]