38540080

素因数分解:

$2^4\times 5^1\times {\mathrm{481751}}^1$

素因数の和:481764

約数の個数: 20

約数和(自身を含む): 89605872

約数和(自身を除く): 51065792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 481751, 963502, 1927004, 2408755, 3854008, 4817510, 7708016, 9635020, 19270040, 38540080]

約数ペア:

[(1, 38540080), (2, 19270040), (4, 9635020), (5, 7708016), (8, 4817510), (10, 3854008), (16, 2408755), (20, 1927004), (40, 963502), (80, 481751)]