68612140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21851}}^1$

素因数の和:22017

約数の個数: 24

約数和(自身を含む): 145009872

約数和(自身を除く): 76397732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21851, 43702, 87404, 109255, 218510, 437020, 3430607, 6861214, 13722428, 17153035, 34306070, 68612140]

約数ペア:

[(1, 68612140), (2, 34306070), (4, 17153035), (5, 13722428), (10, 6861214), (20, 3430607), (157, 437020), (314, 218510), (628, 109255), (785, 87404), (1570, 43702), (3140, 21851)]