40579780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20089}}^1$

素因数の和:20199

約数の個数: 24

約数和(自身を含む): 86065560

約数和(自身を除く): 45485780

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20089, 40178, 80356, 100445, 200890, 401780, 2028989, 4057978, 8115956, 10144945, 20289890, 40579780]

約数ペア:

[(1, 40579780), (2, 20289890), (4, 10144945), (5, 8115956), (10, 4057978), (20, 2028989), (101, 401780), (202, 200890), (404, 100445), (505, 80356), (1010, 40178), (2020, 20089)]