7896520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 18184320

約数和(自身を除く): 10287800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4591, 9182, 18364, 22955, 36728, 45910, 91820, 183640, 197413, 394826, 789652, 987065, 1579304, 1974130, 3948260, 7896520]

約数ペア:

[(1, 7896520), (2, 3948260), (4, 1974130), (5, 1579304), (8, 987065), (10, 789652), (20, 394826), (40, 197413), (43, 183640), (86, 91820), (172, 45910), (215, 36728), (344, 22955), (430, 18364), (860, 9182), (1720, 4591)]