64664740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461891}}^1$

素因数の和:461907

約数の個数: 24

約数和(自身を含む): 155195712

約数和(自身を除く): 90530972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461891, 923782, 1847564, 2309455, 3233237, 4618910, 6466474, 9237820, 12932948, 16166185, 32332370, 64664740]

約数ペア:

[(1, 64664740), (2, 32332370), (4, 16166185), (5, 12932948), (7, 9237820), (10, 6466474), (14, 4618910), (20, 3233237), (28, 2309455), (35, 1847564), (70, 923782), (140, 461891)]