85149860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47837}}^1$

素因数の和:47935

約数の個数: 24

約数和(自身を含む): 180827640

約数和(自身を除く): 95677780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 47837, 95674, 191348, 239185, 478370, 956740, 4257493, 8514986, 17029972, 21287465, 42574930, 85149860]

約数ペア:

[(1, 85149860), (2, 42574930), (4, 21287465), (5, 17029972), (10, 8514986), (20, 4257493), (89, 956740), (178, 478370), (356, 239185), (445, 191348), (890, 95674), (1780, 47837)]