55590400

素因数分解:

$2^9\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 120

約数和(自身を含む): 142327944

約数和(自身を除く): 86737544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 101, 128, 160, 172, 200, 202, 215, 256, 320, 344, 400, 404, 430, 505, 512, 640, 688, 800, 808, 860, 1010, 1075, 1280, 1376, 1600, 1616, 1720, 2020, 2150, 2525, 2560, 2752, 3200, 3232, 3440, 4040, 4300, 4343, 5050, 5504, 6400, 6464, 6880, 8080, 8600, 8686, 10100, 11008, 12800, 12928, 13760, 16160, 17200, 17372, 20200, 21715, 22016, 25856, 27520, 32320, 34400, 34744, 40400, 43430, 51712, 55040, 64640, 68800, 69488, 80800, 86860, 108575, 110080, 129280, 137600, 138976, 161600, 173720, 217150, 258560, 275200, 277952, 323200, 347440, 434300, 550400, 555904, 646400, 694880, 868600, 1111808, 1292800, 1389760, 1737200, 2223616, 2779520, 3474400, 5559040, 6948800, 11118080, 13897600, 27795200, 55590400]

約数ペア:

[(1, 55590400), (2, 27795200), (4, 13897600), (5, 11118080), (8, 6948800), (10, 5559040), (16, 3474400), (20, 2779520), (25, 2223616), (32, 1737200), (40, 1389760), (43, 1292800), (50, 1111808), (64, 868600), (80, 694880), (86, 646400), (100, 555904), (101, 550400), (128, 434300), (160, 347440), (172, 323200), (200, 277952), (202, 275200), (215, 258560), (256, 217150), (320, 173720), (344, 161600), (400, 138976), (404, 137600), (430, 129280), (505, 110080), (512, 108575), (640, 86860), (688, 80800), (800, 69488), (808, 68800), (860, 64640), (1010, 55040), (1075, 51712), (1280, 43430), (1376, 40400), (1600, 34744), (1616, 34400), (1720, 32320), (2020, 27520), (2150, 25856), (2525, 22016), (2560, 21715), (2752, 20200), (3200, 17372), (3232, 17200), (3440, 16160), (4040, 13760), (4300, 12928), (4343, 12800), (5050, 11008), (5504, 10100), (6400, 8686), (6464, 8600), (6880, 8080)]