30380080

素因数分解:

$2^4\times 5^1\times {\mathrm{379751}}^1$

素因数の和:379764

約数の個数: 20

約数和(自身を含む): 70633872

約数和(自身を除く): 40253792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379751, 759502, 1519004, 1898755, 3038008, 3797510, 6076016, 7595020, 15190040, 30380080]

約数ペア:

[(1, 30380080), (2, 15190040), (4, 7595020), (5, 6076016), (8, 3797510), (10, 3038008), (16, 1898755), (20, 1519004), (40, 759502), (80, 379751)]