1961780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 4209408

約数和(自身を除く): 2247628

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2087, 4174, 8348, 10435, 20870, 41740, 98089, 196178, 392356, 490445, 980890, 1961780]

約数ペア:

[(1, 1961780), (2, 980890), (4, 490445), (5, 392356), (10, 196178), (20, 98089), (47, 41740), (94, 20870), (188, 10435), (235, 8348), (470, 4174), (940, 2087)]