Some hacked my Facebook
You'll need to reach out to facebook support for this one.
Where can I find backup codes from Authenticator?
An authenticator backup / restore will not help with a "hacked account" problem, but backup codes are stored in your recovery account's cloud backup.
https://support.microsoft.com/en-us/account-billing/back-up-and-recover-account-credentials-in-the-authenticator-app-bb939936-7a8d-4e88-bc43-49bc1a700a40
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