91416280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53149}}^1$

素因数の和:53203

約数の個数: 32

約数和(自身を含む): 210474000

約数和(自身を除く): 119057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 53149, 106298, 212596, 265745, 425192, 531490, 1062980, 2125960, 2285407, 4570814, 9141628, 11427035, 18283256, 22854070, 45708140, 91416280]

約数ペア:

[(1, 91416280), (2, 45708140), (4, 22854070), (5, 18283256), (8, 11427035), (10, 9141628), (20, 4570814), (40, 2285407), (43, 2125960), (86, 1062980), (172, 531490), (215, 425192), (344, 265745), (430, 212596), (860, 106298), (1720, 53149)]