25870040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 69070320

約数和(自身を除く): 43200280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 140, 196, 197, 245, 268, 280, 335, 392, 394, 469, 490, 536, 670, 788, 938, 980, 985, 1340, 1379, 1576, 1876, 1960, 1970, 2345, 2680, 2758, 3283, 3752, 3940, 4690, 5516, 6566, 6895, 7880, 9380, 9653, 11032, 13132, 13199, 13790, 16415, 18760, 19306, 26264, 26398, 27580, 32830, 38612, 48265, 52796, 55160, 65660, 65995, 77224, 92393, 96530, 105592, 131320, 131990, 184786, 193060, 263980, 369572, 386120, 461965, 527960, 646751, 739144, 923930, 1293502, 1847860, 2587004, 3233755, 3695720, 5174008, 6467510, 12935020, 25870040]

約数ペア:

[(1, 25870040), (2, 12935020), (4, 6467510), (5, 5174008), (7, 3695720), (8, 3233755), (10, 2587004), (14, 1847860), (20, 1293502), (28, 923930), (35, 739144), (40, 646751), (49, 527960), (56, 461965), (67, 386120), (70, 369572), (98, 263980), (134, 193060), (140, 184786), (196, 131990), (197, 131320), (245, 105592), (268, 96530), (280, 92393), (335, 77224), (392, 65995), (394, 65660), (469, 55160), (490, 52796), (536, 48265), (670, 38612), (788, 32830), (938, 27580), (980, 26398), (985, 26264), (1340, 19306), (1379, 18760), (1576, 16415), (1876, 13790), (1960, 13199), (1970, 13132), (2345, 11032), (2680, 9653), (2758, 9380), (3283, 7880), (3752, 6895), (3940, 6566), (4690, 5516)]