Gzipped tarballs are an option now with what looks like a 40GB max.

  $ ls -lh takeout*
  -rw-r--r--  1 ben  ben    39G Sep 26 18:29 takeout-20200925T172738Z-001.tgz
  -rw-r--r--  1 ben  ben    38G Sep 26 19:20 takeout-20200925T172738Z-002.tgz
  -rw-r--r--  1 ben  ben    35G Sep 26 20:06 takeout-20200925T172738Z-003.tgz