86627560

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4447}}^1$

素因数の和:4945

約数の個数: 32

約数和(自身を含む): 195356160

約数和(自身を除く): 108728600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4447, 4870, 8894, 9740, 17788, 19480, 22235, 35576, 44470, 88940, 177880, 2165689, 4331378, 8662756, 10828445, 17325512, 21656890, 43313780, 86627560]

約数ペア:

[(1, 86627560), (2, 43313780), (4, 21656890), (5, 17325512), (8, 10828445), (10, 8662756), (20, 4331378), (40, 2165689), (487, 177880), (974, 88940), (1948, 44470), (2435, 35576), (3896, 22235), (4447, 19480), (4870, 17788), (8894, 9740)]