80080028

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{27767}}^1$

素因数の和:27881

約数の個数: 24

約数和(自身を含む): 161720832

約数和(自身を除く): 81640804

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 27767, 55534, 111068, 194369, 388738, 777476, 2860001, 5720002, 11440004, 20020007, 40040014, 80080028]

約数ペア:

[(1, 80080028), (2, 40040014), (4, 20020007), (7, 11440004), (14, 5720002), (28, 2860001), (103, 777476), (206, 388738), (412, 194369), (721, 111068), (1442, 55534), (2884, 27767)]