30775280

素因数分解:

$2^4\times 5^1\times {\mathrm{384691}}^1$

素因数の和:384704

約数の個数: 20

約数和(自身を含む): 71552712

約数和(自身を除く): 40777432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 384691, 769382, 1538764, 1923455, 3077528, 3846910, 6155056, 7693820, 15387640, 30775280]

約数ペア:

[(1, 30775280), (2, 15387640), (4, 7693820), (5, 6155056), (8, 3846910), (10, 3077528), (16, 1923455), (20, 1538764), (40, 769382), (80, 384691)]