3999860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4651}}^1$

素因数の和:4703

約数の個数: 24

約数和(自身を含む): 8596896

約数和(自身を除く): 4597036

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4651, 9302, 18604, 23255, 46510, 93020, 199993, 399986, 799972, 999965, 1999930, 3999860]

約数ペア:

[(1, 3999860), (2, 1999930), (4, 999965), (5, 799972), (10, 399986), (20, 199993), (43, 93020), (86, 46510), (172, 23255), (215, 18604), (430, 9302), (860, 4651)]