68797940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43543}}^1$

素因数の和:43631

約数の個数: 24

約数和(自身を含む): 146307840

約数和(自身を除く): 77509900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 43543, 87086, 174172, 217715, 435430, 870860, 3439897, 6879794, 13759588, 17199485, 34398970, 68797940]

約数ペア:

[(1, 68797940), (2, 34398970), (4, 17199485), (5, 13759588), (10, 6879794), (20, 3439897), (79, 870860), (158, 435430), (316, 217715), (395, 174172), (790, 87086), (1580, 43543)]