38780080

素因数分解:

$2^4\times 5^1\times {\mathrm{484751}}^1$

素因数の和:484764

約数の個数: 20

約数和(自身を含む): 90163872

約数和(自身を除く): 51383792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 484751, 969502, 1939004, 2423755, 3878008, 4847510, 7756016, 9695020, 19390040, 38780080]

約数ペア:

[(1, 38780080), (2, 19390040), (4, 9695020), (5, 7756016), (8, 4847510), (10, 3878008), (16, 2423755), (20, 1939004), (40, 969502), (80, 484751)]