80017540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20947}}^1$

素因数の和:21147

約数の個数: 24

約数和(自身を含む): 168924672

約数和(自身を除く): 88907132

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 20947, 41894, 83788, 104735, 209470, 418940, 4000877, 8001754, 16003508, 20004385, 40008770, 80017540]

約数ペア:

[(1, 80017540), (2, 40008770), (4, 20004385), (5, 16003508), (10, 8001754), (20, 4000877), (191, 418940), (382, 209470), (764, 104735), (955, 83788), (1910, 41894), (3820, 20947)]