81680570

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{58763}}^1$

素因数の和:58909

約数の個数: 16

約数和(自身を含む): 148085280

約数和(自身を除く): 66404710

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 58763, 117526, 293815, 587630, 8168057, 16336114, 40840285, 81680570]

約数ペア:

[(1, 81680570), (2, 40840285), (5, 16336114), (10, 8168057), (139, 587630), (278, 293815), (695, 117526), (1390, 58763)]