16227980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2609}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 34201440

約数和(自身を除く): 17973460

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2609, 3110, 5218, 6220, 10436, 13045, 26090, 52180, 811399, 1622798, 3245596, 4056995, 8113990, 16227980]

約数ペア:

[(1, 16227980), (2, 8113990), (4, 4056995), (5, 3245596), (10, 1622798), (20, 811399), (311, 52180), (622, 26090), (1244, 13045), (1555, 10436), (2609, 6220), (3110, 5218)]