5421440

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 13329360

約数和(自身を除く): 7907920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 197, 215, 320, 344, 394, 430, 640, 688, 788, 860, 985, 1376, 1576, 1720, 1970, 2752, 3152, 3440, 3940, 5504, 6304, 6880, 7880, 8471, 12608, 13760, 15760, 16942, 25216, 27520, 31520, 33884, 42355, 63040, 67768, 84710, 126080, 135536, 169420, 271072, 338840, 542144, 677680, 1084288, 1355360, 2710720, 5421440]

約数ペア:

[(1, 5421440), (2, 2710720), (4, 1355360), (5, 1084288), (8, 677680), (10, 542144), (16, 338840), (20, 271072), (32, 169420), (40, 135536), (43, 126080), (64, 84710), (80, 67768), (86, 63040), (128, 42355), (160, 33884), (172, 31520), (197, 27520), (215, 25216), (320, 16942), (344, 15760), (394, 13760), (430, 12608), (640, 8471), (688, 7880), (788, 6880), (860, 6304), (985, 5504), (1376, 3940), (1576, 3440), (1720, 3152), (1970, 2752)]