7991980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9293}}^1$

素因数の和:9345

約数の個数: 24

約数和(自身を含む): 17175312

約数和(自身を除く): 9183332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9293, 18586, 37172, 46465, 92930, 185860, 399599, 799198, 1598396, 1997995, 3995990, 7991980]

約数ペア:

[(1, 7991980), (2, 3995990), (4, 1997995), (5, 1598396), (10, 799198), (20, 399599), (43, 185860), (86, 92930), (172, 46465), (215, 37172), (430, 18586), (860, 9293)]