85440760

素因数分解:

$2^3\times 5^1\times {\mathrm{2136019}}^1$

素因数の和:2136030

約数の個数: 16

約数和(自身を含む): 192241800

約数和(自身を除く): 106801040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2136019, 4272038, 8544076, 10680095, 17088152, 21360190, 42720380, 85440760]

約数ペア:

[(1, 85440760), (2, 42720380), (4, 21360190), (5, 17088152), (8, 10680095), (10, 8544076), (20, 4272038), (40, 2136019)]