8974100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 36

約数和(自身を含む): 19936224

約数和(自身を除く): 10962124

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2087, 2150, 4174, 4300, 8348, 10435, 20870, 41740, 52175, 89741, 104350, 179482, 208700, 358964, 448705, 897410, 1794820, 2243525, 4487050, 8974100]

約数ペア:

[(1, 8974100), (2, 4487050), (4, 2243525), (5, 1794820), (10, 897410), (20, 448705), (25, 358964), (43, 208700), (50, 179482), (86, 104350), (100, 89741), (172, 52175), (215, 41740), (430, 20870), (860, 10435), (1075, 8348), (2087, 4300), (2150, 4174)]