28435040

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4133}}^1$

素因数の和:4191

約数の個数: 48

約数和(自身を含む): 68756688

約数和(自身を除く): 40321648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4133, 6880, 8266, 16532, 20665, 33064, 41330, 66128, 82660, 132256, 165320, 177719, 330640, 355438, 661280, 710876, 888595, 1421752, 1777190, 2843504, 3554380, 5687008, 7108760, 14217520, 28435040]

約数ペア:

[(1, 28435040), (2, 14217520), (4, 7108760), (5, 5687008), (8, 3554380), (10, 2843504), (16, 1777190), (20, 1421752), (32, 888595), (40, 710876), (43, 661280), (80, 355438), (86, 330640), (160, 177719), (172, 165320), (215, 132256), (344, 82660), (430, 66128), (688, 41330), (860, 33064), (1376, 20665), (1720, 16532), (3440, 8266), (4133, 6880)]