87856840

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2411}}^1$

素因数の和:3333

約数の個数: 32

約数和(自身を含む): 197976960

約数和(自身を除く): 110120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 2411, 3644, 4555, 4822, 7288, 9110, 9644, 12055, 18220, 19288, 24110, 36440, 48220, 96440, 2196421, 4392842, 8785684, 10982105, 17571368, 21964210, 43928420, 87856840]

約数ペア:

[(1, 87856840), (2, 43928420), (4, 21964210), (5, 17571368), (8, 10982105), (10, 8785684), (20, 4392842), (40, 2196421), (911, 96440), (1822, 48220), (2411, 36440), (3644, 24110), (4555, 19288), (4822, 18220), (7288, 12055), (9110, 9644)]