2811010

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{701}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 5079672

約数和(自身を除く): 2268662

約数列:

[1, 2, 5, 10, 401, 701, 802, 1402, 2005, 3505, 4010, 7010, 281101, 562202, 1405505, 2811010]

約数ペア:

[(1, 2811010), (2, 1405505), (5, 562202), (10, 281101), (401, 7010), (701, 4010), (802, 3505), (1402, 2005)]