7985960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 18390240

約数和(自身を除く): 10404280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4643, 9286, 18572, 23215, 37144, 46430, 92860, 185720, 199649, 399298, 798596, 998245, 1597192, 1996490, 3992980, 7985960]

約数ペア:

[(1, 7985960), (2, 3992980), (4, 1996490), (5, 1597192), (8, 998245), (10, 798596), (20, 399298), (40, 199649), (43, 185720), (86, 92860), (172, 46430), (215, 37144), (344, 23215), (430, 18572), (860, 9286), (1720, 4643)]