38422220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1039}}^1$

素因数の和:1134

約数の個数: 36

約数和(自身を含む): 82686240

約数和(自身を除く): 44264020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1039, 1849, 2078, 3698, 4156, 5195, 7396, 9245, 10390, 18490, 20780, 36980, 44677, 89354, 178708, 223385, 446770, 893540, 1921111, 3842222, 7684444, 9605555, 19211110, 38422220]

約数ペア:

[(1, 38422220), (2, 19211110), (4, 9605555), (5, 7684444), (10, 3842222), (20, 1921111), (43, 893540), (86, 446770), (172, 223385), (215, 178708), (430, 89354), (860, 44677), (1039, 36980), (1849, 20780), (2078, 18490), (3698, 10390), (4156, 9245), (5195, 7396)]