8461464080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1\times {\mathrm{1709}}^1$

素因数の和:2232

約数の個数: 80

約数和(自身を含む): 19846944000

約数和(自身を除く): 11385479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 311, 398, 622, 796, 995, 1244, 1555, 1592, 1709, 1990, 2488, 3110, 3184, 3418, 3980, 4976, 6220, 6836, 7960, 8545, 12440, 13672, 15920, 17090, 24880, 27344, 34180, 61889, 68360, 123778, 136720, 247556, 309445, 340091, 495112, 531499, 618890, 680182, 990224, 1062998, 1237780, 1360364, 1700455, 2125996, 2475560, 2657495, 2720728, 3400910, 4251992, 4951120, 5314990, 5441456, 6801820, 8503984, 10629980, 13603640, 21259960, 27207280, 42519920, 105768301, 211536602, 423073204, 528841505, 846146408, 1057683010, 1692292816, 2115366020, 4230732040, 8461464080]

約数ペア:

[(1, 8461464080), (2, 4230732040), (4, 2115366020), (5, 1692292816), (8, 1057683010), (10, 846146408), (16, 528841505), (20, 423073204), (40, 211536602), (80, 105768301), (199, 42519920), (311, 27207280), (398, 21259960), (622, 13603640), (796, 10629980), (995, 8503984), (1244, 6801820), (1555, 5441456), (1592, 5314990), (1709, 4951120), (1990, 4251992), (2488, 3400910), (3110, 2720728), (3184, 2657495), (3418, 2475560), (3980, 2125996), (4976, 1700455), (6220, 1360364), (6836, 1237780), (7960, 1062998), (8545, 990224), (12440, 680182), (13672, 618890), (15920, 531499), (17090, 495112), (24880, 340091), (27344, 309445), (34180, 247556), (61889, 136720), (68360, 123778)]