28433740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13043}}^1$

素因数の和:13161

約数の個数: 24

約数和(自身を含む): 60263280

約数和(自身を除く): 31829540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13043, 26086, 52172, 65215, 130430, 260860, 1421687, 2843374, 5686748, 7108435, 14216870, 28433740]

約数ペア:

[(1, 28433740), (2, 14216870), (4, 7108435), (5, 5686748), (10, 2843374), (20, 1421687), (109, 260860), (218, 130430), (436, 65215), (545, 52172), (1090, 26086), (2180, 13043)]