126931540

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{20407}}^1$

素因数の和:20727

約数の個数: 24

約数和(自身を含む): 267426432

約数和(自身を除く): 140494892

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 20407, 40814, 81628, 102035, 204070, 408140, 6346577, 12693154, 25386308, 31732885, 63465770, 126931540]

約数ペア:

[(1, 126931540), (2, 63465770), (4, 31732885), (5, 25386308), (10, 12693154), (20, 6346577), (311, 408140), (622, 204070), (1244, 102035), (1555, 81628), (3110, 40814), (6220, 20407)]