79163920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89959}}^1$

素因数の和:89983

約数の個数: 40

約数和(自身を含む): 200790720

約数和(自身を除く): 121626800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 89959, 179918, 359836, 449795, 719672, 899590, 989549, 1439344, 1799180, 1979098, 3598360, 3958196, 4947745, 7196720, 7916392, 9895490, 15832784, 19790980, 39581960, 79163920]

約数ペア:

[(1, 79163920), (2, 39581960), (4, 19790980), (5, 15832784), (8, 9895490), (10, 7916392), (11, 7196720), (16, 4947745), (20, 3958196), (22, 3598360), (40, 1979098), (44, 1799180), (55, 1439344), (80, 989549), (88, 899590), (110, 719672), (176, 449795), (220, 359836), (440, 179918), (880, 89959)]