86816840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197311}}^1$

素因数の和:197333

約数の個数: 32

約数和(自身を含む): 213096960

約数和(自身を除く): 126280120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197311, 394622, 789244, 986555, 1578488, 1973110, 2170421, 3946220, 4340842, 7892440, 8681684, 10852105, 17363368, 21704210, 43408420, 86816840]

約数ペア:

[(1, 86816840), (2, 43408420), (4, 21704210), (5, 17363368), (8, 10852105), (10, 8681684), (11, 7892440), (20, 4340842), (22, 3946220), (40, 2170421), (44, 1973110), (55, 1578488), (88, 986555), (110, 789244), (220, 394622), (440, 197311)]