87221510

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21751}}^1$

素因数の和:22159

約数の個数: 16

約数和(自身を含む): 157397472

約数和(自身を除く): 70175962

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21751, 43502, 108755, 217510, 8722151, 17444302, 43610755, 87221510]

約数ペア:

[(1, 87221510), (2, 43610755), (5, 17444302), (10, 8722151), (401, 217510), (802, 108755), (2005, 43502), (4010, 21751)]