86889080

素因数分解:

$2^3\times 5^1\times {\mathrm{2172227}}^1$

素因数の和:2172238

約数の個数: 16

約数和(自身を含む): 195500520

約数和(自身を除く): 108611440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2172227, 4344454, 8688908, 10861135, 17377816, 21722270, 43444540, 86889080]

約数ペア:

[(1, 86889080), (2, 43444540), (4, 21722270), (5, 17377816), (8, 10861135), (10, 8688908), (20, 4344454), (40, 2172227)]