80969860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{94151}}^1$

素因数の和:94203

約数の個数: 24

約数和(自身を含む): 173992896

約数和(自身を除く): 93023036

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 94151, 188302, 376604, 470755, 941510, 1883020, 4048493, 8096986, 16193972, 20242465, 40484930, 80969860]

約数ペア:

[(1, 80969860), (2, 40484930), (4, 20242465), (5, 16193972), (10, 8096986), (20, 4048493), (43, 1883020), (86, 941510), (172, 470755), (215, 376604), (430, 188302), (860, 94151)]