51503680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 132770880

約数和(自身を除く): 81267200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 197, 215, 304, 320, 344, 380, 394, 430, 608, 688, 760, 788, 817, 860, 985, 1216, 1376, 1520, 1576, 1634, 1720, 1970, 2752, 3040, 3152, 3268, 3440, 3743, 3940, 4085, 6080, 6304, 6536, 6880, 7486, 7880, 8170, 8471, 12608, 13072, 13760, 14972, 15760, 16340, 16942, 18715, 26144, 29944, 31520, 32680, 33884, 37430, 42355, 52288, 59888, 63040, 65360, 67768, 74860, 84710, 119776, 130720, 135536, 149720, 160949, 169420, 239552, 261440, 271072, 299440, 321898, 338840, 542144, 598880, 643796, 677680, 804745, 1197760, 1287592, 1355360, 1609490, 2575184, 2710720, 3218980, 5150368, 6437960, 10300736, 12875920, 25751840, 51503680]

約数ペア:

[(1, 51503680), (2, 25751840), (4, 12875920), (5, 10300736), (8, 6437960), (10, 5150368), (16, 3218980), (19, 2710720), (20, 2575184), (32, 1609490), (38, 1355360), (40, 1287592), (43, 1197760), (64, 804745), (76, 677680), (80, 643796), (86, 598880), (95, 542144), (152, 338840), (160, 321898), (172, 299440), (190, 271072), (197, 261440), (215, 239552), (304, 169420), (320, 160949), (344, 149720), (380, 135536), (394, 130720), (430, 119776), (608, 84710), (688, 74860), (760, 67768), (788, 65360), (817, 63040), (860, 59888), (985, 52288), (1216, 42355), (1376, 37430), (1520, 33884), (1576, 32680), (1634, 31520), (1720, 29944), (1970, 26144), (2752, 18715), (3040, 16942), (3152, 16340), (3268, 15760), (3440, 14972), (3743, 13760), (3940, 13072), (4085, 12608), (6080, 8471), (6304, 8170), (6536, 7880), (6880, 7486)]