164967280

素因数分解:

$2^4\times 5^1\times {\mathrm{2062091}}^1$

素因数の和:2062104

約数の個数: 20

約数和(自身を含む): 383549112

約数和(自身を除く): 218581832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2062091, 4124182, 8248364, 10310455, 16496728, 20620910, 32993456, 41241820, 82483640, 164967280]

約数ペア:

[(1, 164967280), (2, 82483640), (4, 41241820), (5, 32993456), (8, 20620910), (10, 16496728), (16, 10310455), (20, 8248364), (40, 4124182), (80, 2062091)]