8260040

素因数分解:

$2^3\times 5^1\times {\mathrm{206501}}^1$

素因数の和:206512

約数の個数: 16

約数和(自身を含む): 18585180

約数和(自身を除く): 10325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 206501, 413002, 826004, 1032505, 1652008, 2065010, 4130020, 8260040]

約数ペア:

[(1, 8260040), (2, 4130020), (4, 2065010), (5, 1652008), (8, 1032505), (10, 826004), (20, 413002), (40, 206501)]