40720244

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{15401}}^1$

素因数の和:16066

約数の個数: 12

約数和(自身を含む): 71372868

約数和(自身を除く): 30652624

約数列:

[1, 2, 4, 661, 1322, 2644, 15401, 30802, 61604, 10180061, 20360122, 40720244]

約数ペア:

[(1, 40720244), (2, 20360122), (4, 10180061), (661, 61604), (1322, 30802), (2644, 15401)]