31683280

素因数分解:

$2^4\times 5^1\times {\mathrm{396041}}^1$

素因数の和:396054

約数の個数: 20

約数和(自身を含む): 73663812

約数和(自身を除く): 41980532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396041, 792082, 1584164, 1980205, 3168328, 3960410, 6336656, 7920820, 15841640, 31683280]

約数ペア:

[(1, 31683280), (2, 15841640), (4, 7920820), (5, 6336656), (8, 3960410), (10, 3168328), (16, 1980205), (20, 1584164), (40, 792082), (80, 396041)]