80633660

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3709}}^1$

素因数の和:4805

約数の個数: 24

約数和(自身を含む): 169532160

約数和(自身を除く): 88898500

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 3709, 4348, 5435, 7418, 10870, 14836, 18545, 21740, 37090, 74180, 4031683, 8063366, 16126732, 20158415, 40316830, 80633660]

約数ペア:

[(1, 80633660), (2, 40316830), (4, 20158415), (5, 16126732), (10, 8063366), (20, 4031683), (1087, 74180), (2174, 37090), (3709, 21740), (4348, 18545), (5435, 14836), (7418, 10870)]