80899960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10589}}^1$

素因数の和:10791

約数の個数: 32

約数和(自身を含む): 182995200

約数和(自身を除く): 102095240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10589, 21178, 42356, 52945, 84712, 105890, 211780, 423560, 2022499, 4044998, 8089996, 10112495, 16179992, 20224990, 40449980, 80899960]

約数ペア:

[(1, 80899960), (2, 40449980), (4, 20224990), (5, 16179992), (8, 10112495), (10, 8089996), (20, 4044998), (40, 2022499), (191, 423560), (382, 211780), (764, 105890), (955, 84712), (1528, 52945), (1910, 42356), (3820, 21178), (7640, 10589)]