The Senate is interesting because each state gets 2 senators regardless of population. Wyoming has the same number of Senators as California even though California has has much more influence in driving the popular vote towards a 50/50 split.
I realized that this is a very big simplification, but how many of the 50 states voted Republican and how many of them voted Democrat? Multiply by 2 to get how Rs and Ds there would be in the Senate if each state's Senators perfectly matched how they voted in the Presidential race.
True. If both Senators from each Red/Blue states were R/'s, then you would have 62 R Senators and 38 D's.
Encouraging thought.