86897080

素因数分解:

$2^3\times 5^1\times {\mathrm{2172427}}^1$

素因数の和:2172438

約数の個数: 16

約数和(自身を含む): 195518520

約数和(自身を除く): 108621440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2172427, 4344854, 8689708, 10862135, 17379416, 21724270, 43448540, 86897080]

約数ペア:

[(1, 86897080), (2, 43448540), (4, 21724270), (5, 17379416), (8, 10862135), (10, 8689708), (20, 4344854), (40, 2172427)]