168668410

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{20849}}^1$

素因数の和:21665

約数の個数: 16

約数和(自身を含む): 303993000

約数和(自身を除く): 135324590

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 20849, 41698, 104245, 208490, 16866841, 33733682, 84334205, 168668410]

約数ペア:

[(1, 168668410), (2, 84334205), (5, 33733682), (10, 16866841), (809, 208490), (1618, 104245), (4045, 41698), (8090, 20849)]