85139140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{98999}}^1$

素因数の和:99051

約数の個数: 24

約数和(自身を含む): 182952000

約数和(自身を除く): 97812860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 98999, 197998, 395996, 494995, 989990, 1979980, 4256957, 8513914, 17027828, 21284785, 42569570, 85139140]

約数ペア:

[(1, 85139140), (2, 42569570), (4, 21284785), (5, 17027828), (10, 8513914), (20, 4256957), (43, 1979980), (86, 989990), (172, 494995), (215, 395996), (430, 197998), (860, 98999)]