67640740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17707}}^1$

素因数の和:17907

約数の個数: 24

約数和(自身を含む): 142797312

約数和(自身を除く): 75156572

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 17707, 35414, 70828, 88535, 177070, 354140, 3382037, 6764074, 13528148, 16910185, 33820370, 67640740]

約数ペア:

[(1, 67640740), (2, 33820370), (4, 16910185), (5, 13528148), (10, 6764074), (20, 3382037), (191, 354140), (382, 177070), (764, 88535), (955, 70828), (1910, 35414), (3820, 17707)]