168057980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{19141}}^1$

素因数の和:19589

約数の個数: 24

約数和(自身を含む): 353744160

約数和(自身を除く): 185686180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 19141, 38282, 76564, 95705, 191410, 382820, 8402899, 16805798, 33611596, 42014495, 84028990, 168057980]

約数ペア:

[(1, 168057980), (2, 84028990), (4, 42014495), (5, 33611596), (10, 16805798), (20, 8402899), (439, 382820), (878, 191410), (1756, 95705), (2195, 76564), (4390, 38282), (8780, 19141)]