30312080

素因数分解:

$2^4\times 5^1\times {\mathrm{378901}}^1$

素因数の和:378914

約数の個数: 20

約数和(自身を含む): 70475772

約数和(自身を除く): 40163692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378901, 757802, 1515604, 1894505, 3031208, 3789010, 6062416, 7578020, 15156040, 30312080]

約数ペア:

[(1, 30312080), (2, 15156040), (4, 7578020), (5, 6062416), (8, 3789010), (10, 3031208), (16, 1894505), (20, 1515604), (40, 757802), (80, 378901)]