166707920

素因数分解:

$2^4\times 5^1\times {\mathrm{2083849}}^1$

素因数の和:2083862

約数の個数: 20

約数和(自身を含む): 387596100

約数和(自身を除く): 220888180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2083849, 4167698, 8335396, 10419245, 16670792, 20838490, 33341584, 41676980, 83353960, 166707920]

約数ペア:

[(1, 166707920), (2, 83353960), (4, 41676980), (5, 33341584), (8, 20838490), (10, 16670792), (16, 10419245), (20, 8335396), (40, 4167698), (80, 2083849)]