42019990270

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21115573}}^1$

素因数の和:21115779

約数の個数: 16

約数和(自身を含む): 76016066400

約数和(自身を除く): 33996076130

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 21115573, 42231146, 105577865, 211155730, 4201999027, 8403998054, 21009995135, 42019990270]

約数ペア:

[(1, 42019990270), (2, 21009995135), (5, 8403998054), (10, 4201999027), (199, 211155730), (398, 105577865), (995, 42231146), (1990, 21115573)]