91075640

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1783}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 205195680

約数和(自身を除く): 114120040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 1783, 2554, 3566, 5108, 6385, 7132, 8915, 10216, 12770, 14264, 17830, 25540, 35660, 51080, 71320, 2276891, 4553782, 9107564, 11384455, 18215128, 22768910, 45537820, 91075640]

約数ペア:

[(1, 91075640), (2, 45537820), (4, 22768910), (5, 18215128), (8, 11384455), (10, 9107564), (20, 4553782), (40, 2276891), (1277, 71320), (1783, 51080), (2554, 35660), (3566, 25540), (5108, 17830), (6385, 14264), (7132, 12770), (8915, 10216)]