859206820

素因数分解:

$2^2\times 5^1\times {\mathrm{42960341}}^1$

素因数の和:42960350

約数の個数: 12

約数和(自身を含む): 1804334364

約数和(自身を除く): 945127544

約数列:

[1, 2, 4, 5, 10, 20, 42960341, 85920682, 171841364, 214801705, 429603410, 859206820]

約数ペア:

[(1, 859206820), (2, 429603410), (4, 214801705), (5, 171841364), (10, 85920682), (20, 42960341)]