27897650680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3540311}}^1$

素因数の和:3540519

約数の個数: 32

約数和(自身を含む): 63088359840

約数和(自身を除く): 35190709160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 3540311, 7080622, 14161244, 17701555, 28322488, 35403110, 70806220, 141612440, 697441267, 1394882534, 2789765068, 3487206335, 5579530136, 6974412670, 13948825340, 27897650680]

約数ペア:

[(1, 27897650680), (2, 13948825340), (4, 6974412670), (5, 5579530136), (8, 3487206335), (10, 2789765068), (20, 1394882534), (40, 697441267), (197, 141612440), (394, 70806220), (788, 35403110), (985, 28322488), (1576, 17701555), (1970, 14161244), (3940, 7080622), (7880, 3540311)]