40079950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1999}}^1$

素因数の和:2412

約数の個数: 24

約数和(自身を含む): 74772000

約数和(自身を除く): 34692050

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1999, 2005, 3998, 4010, 9995, 10025, 19990, 20050, 49975, 99950, 801599, 1603198, 4007995, 8015990, 20039975, 40079950]

約数ペア:

[(1, 40079950), (2, 20039975), (5, 8015990), (10, 4007995), (25, 1603198), (50, 801599), (401, 99950), (802, 49975), (1999, 20050), (2005, 19990), (3998, 10025), (4010, 9995)]