56655640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17929}}^1$

素因数の和:18019

約数の個数: 32

約数和(自身を含む): 129096000

約数和(自身を除く): 72440360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17929, 35858, 71716, 89645, 143432, 179290, 358580, 717160, 1416391, 2832782, 5665564, 7081955, 11331128, 14163910, 28327820, 56655640]

約数ペア:

[(1, 56655640), (2, 28327820), (4, 14163910), (5, 11331128), (8, 7081955), (10, 5665564), (20, 2832782), (40, 1416391), (79, 717160), (158, 358580), (316, 179290), (395, 143432), (632, 89645), (790, 71716), (1580, 35858), (3160, 17929)]