28422140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33049}}^1$

素因数の和:33101

約数の個数: 24

約数和(自身を含む): 61076400

約数和(自身を除く): 32654260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33049, 66098, 132196, 165245, 330490, 660980, 1421107, 2842214, 5684428, 7105535, 14211070, 28422140]

約数ペア:

[(1, 28422140), (2, 14211070), (4, 7105535), (5, 5684428), (10, 2842214), (20, 1421107), (43, 660980), (86, 330490), (172, 165245), (215, 132196), (430, 66098), (860, 33049)]