164835760

素因数分解:

$2^4\times 5^1\times {\mathrm{2060447}}^1$

素因数の和:2060460

約数の個数: 20

約数和(自身を含む): 383243328

約数和(自身を除く): 218407568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2060447, 4120894, 8241788, 10302235, 16483576, 20604470, 32967152, 41208940, 82417880, 164835760]

約数ペア:

[(1, 164835760), (2, 82417880), (4, 41208940), (5, 32967152), (8, 20604470), (10, 16483576), (16, 10302235), (20, 8241788), (40, 4120894), (80, 2060447)]