80748820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{85903}}^1$

素因数の和:85959

約数の個数: 24

約数和(自身を含む): 173182464

約数和(自身を除く): 92433644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 85903, 171806, 343612, 429515, 859030, 1718060, 4037441, 8074882, 16149764, 20187205, 40374410, 80748820]

約数ペア:

[(1, 80748820), (2, 40374410), (4, 20187205), (5, 16149764), (10, 8074882), (20, 4037441), (47, 1718060), (94, 859030), (188, 429515), (235, 343612), (470, 171806), (940, 85903)]