40397320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2861}}^1$

素因数の和:3225

約数の個数: 32

約数和(自身を含む): 91183320

約数和(自身を除く): 50786000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 2861, 3530, 5722, 7060, 11444, 14120, 14305, 22888, 28610, 57220, 114440, 1009933, 2019866, 4039732, 5049665, 8079464, 10099330, 20198660, 40397320]

約数ペア:

[(1, 40397320), (2, 20198660), (4, 10099330), (5, 8079464), (8, 5049665), (10, 4039732), (20, 2019866), (40, 1009933), (353, 114440), (706, 57220), (1412, 28610), (1765, 22888), (2824, 14305), (2861, 14120), (3530, 11444), (5722, 7060)]