2779520

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 6866640

約数和(自身を除く): 4087120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 101, 128, 160, 172, 202, 215, 320, 344, 404, 430, 505, 640, 688, 808, 860, 1010, 1376, 1616, 1720, 2020, 2752, 3232, 3440, 4040, 4343, 5504, 6464, 6880, 8080, 8686, 12928, 13760, 16160, 17372, 21715, 27520, 32320, 34744, 43430, 64640, 69488, 86860, 138976, 173720, 277952, 347440, 555904, 694880, 1389760, 2779520]

約数ペア:

[(1, 2779520), (2, 1389760), (4, 694880), (5, 555904), (8, 347440), (10, 277952), (16, 173720), (20, 138976), (32, 86860), (40, 69488), (43, 64640), (64, 43430), (80, 34744), (86, 32320), (101, 27520), (128, 21715), (160, 17372), (172, 16160), (202, 13760), (215, 12928), (320, 8686), (344, 8080), (404, 6880), (430, 6464), (505, 5504), (640, 4343), (688, 4040), (808, 3440), (860, 3232), (1010, 2752), (1376, 2020), (1616, 1720)]