25751840

素因数分解:

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

素因数の和:274

約数の個数: 96

約数和(自身を含む): 65862720

約数和(自身を除く): 40110880

約数列:

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

約数ペア:

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