266484340

素因数分解:

$2^2\times 5^1\times {\mathrm{13324217}}^1$

素因数の和:13324226

約数の個数: 12

約数和(自身を含む): 559617156

約数和(自身を除く): 293132816

約数列:

[1, 2, 4, 5, 10, 20, 13324217, 26648434, 53296868, 66621085, 133242170, 266484340]

約数ペア:

[(1, 266484340), (2, 133242170), (4, 66621085), (5, 53296868), (10, 26648434), (20, 13324217)]