85910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 24

約数和(自身を含む): 172368

約数和(自身を除く): 86458

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 1210, 1562, 3905, 7810, 8591, 17182, 42955, 85910]

約数ペア:

[(1, 85910), (2, 42955), (5, 17182), (10, 8591), (11, 7810), (22, 3905), (55, 1562), (71, 1210), (110, 781), (121, 710), (142, 605), (242, 355)]