222335570

素因数分解:

$2^1\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{5557}}^1$

素因数の和:9565

約数の個数: 16

約数和(自身を含む): 400376088

約数和(自身を除く): 178040518

約数列:

[1, 2, 5, 10, 4001, 5557, 8002, 11114, 20005, 27785, 40010, 55570, 22233557, 44467114, 111167785, 222335570]

約数ペア:

[(1, 222335570), (2, 111167785), (5, 44467114), (10, 22233557), (4001, 55570), (5557, 40010), (8002, 27785), (11114, 20005)]