On a sum involving the divisor function

Jing Ma, Huayan Sun. On a sum involving the divisor function. Periodica Mathematica Hungarica, 83(2):185-191, 2021. [doi]

@article{MaS21-10,
  title = {On a sum involving the divisor function},
  author = {Jing Ma and Huayan Sun},
  year = {2021},
  doi = {10.1007/s10998-020-00378-3},
  url = {https://doi.org/10.1007/s10998-020-00378-3},
  researchr = {https://researchr.org/publication/MaS21-10},
  cites = {0},
  citedby = {0},
  journal = {Periodica Mathematica Hungarica},
  volume = {83},
  number = {2},
  pages = {185-191},
}