85336840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10111}}^1$

素因数の和:10333

約数の個数: 32

約数和(自身を含む): 192936960

約数和(自身を除く): 107600120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10111, 20222, 40444, 50555, 80888, 101110, 202220, 404440, 2133421, 4266842, 8533684, 10667105, 17067368, 21334210, 42668420, 85336840]

約数ペア:

[(1, 85336840), (2, 42668420), (4, 21334210), (5, 17067368), (8, 10667105), (10, 8533684), (20, 4266842), (40, 2133421), (211, 404440), (422, 202220), (844, 101110), (1055, 80888), (1688, 50555), (2110, 40444), (4220, 20222), (8440, 10111)]