90255640

素因数分解:

$2^3\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1579}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 203346000

約数和(自身を除く): 113090360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1429, 1579, 2858, 3158, 5716, 6316, 7145, 7895, 11432, 12632, 14290, 15790, 28580, 31580, 57160, 63160, 2256391, 4512782, 9025564, 11281955, 18051128, 22563910, 45127820, 90255640]

約数ペア:

[(1, 90255640), (2, 45127820), (4, 22563910), (5, 18051128), (8, 11281955), (10, 9025564), (20, 4512782), (40, 2256391), (1429, 63160), (1579, 57160), (2858, 31580), (3158, 28580), (5716, 15790), (6316, 14290), (7145, 12632), (7895, 11432)]