30218960

素因数分解:

$2^4\times 5^1\times {\mathrm{377737}}^1$

素因数の和:377750

約数の個数: 20

約数和(自身を含む): 70259268

約数和(自身を除く): 40040308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 377737, 755474, 1510948, 1888685, 3021896, 3777370, 6043792, 7554740, 15109480, 30218960]

約数ペア:

[(1, 30218960), (2, 15109480), (4, 7554740), (5, 6043792), (8, 3777370), (10, 3021896), (16, 1888685), (20, 1510948), (40, 755474), (80, 377737)]