15123280

素因数分解:

$2^4\times 5^1\times {\mathrm{189041}}^1$

素因数の和:189054

約数の個数: 20

約数和(自身を含む): 35161812

約数和(自身を除く): 20038532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189041, 378082, 756164, 945205, 1512328, 1890410, 3024656, 3780820, 7561640, 15123280]

約数ペア:

[(1, 15123280), (2, 7561640), (4, 3780820), (5, 3024656), (8, 1890410), (10, 1512328), (16, 945205), (20, 756164), (40, 378082), (80, 189041)]