26400640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 47626880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 83, 112, 128, 140, 142, 160, 166, 224, 280, 284, 320, 332, 355, 415, 448, 497, 560, 568, 581, 640, 664, 710, 830, 896, 994, 1120, 1136, 1162, 1328, 1420, 1660, 1988, 2240, 2272, 2324, 2485, 2656, 2840, 2905, 3320, 3976, 4480, 4544, 4648, 4970, 5312, 5680, 5810, 5893, 6640, 7952, 9088, 9296, 9940, 10624, 11360, 11620, 11786, 13280, 15904, 18592, 19880, 22720, 23240, 23572, 26560, 29465, 31808, 37184, 39760, 41251, 45440, 46480, 47144, 53120, 58930, 63616, 74368, 79520, 82502, 92960, 94288, 117860, 159040, 165004, 185920, 188576, 206255, 235720, 318080, 330008, 371840, 377152, 412510, 471440, 660016, 754304, 825020, 942880, 1320032, 1650040, 1885760, 2640064, 3300080, 3771520, 5280128, 6600160, 13200320, 26400640]

約数ペア:

[(1, 26400640), (2, 13200320), (4, 6600160), (5, 5280128), (7, 3771520), (8, 3300080), (10, 2640064), (14, 1885760), (16, 1650040), (20, 1320032), (28, 942880), (32, 825020), (35, 754304), (40, 660016), (56, 471440), (64, 412510), (70, 377152), (71, 371840), (80, 330008), (83, 318080), (112, 235720), (128, 206255), (140, 188576), (142, 185920), (160, 165004), (166, 159040), (224, 117860), (280, 94288), (284, 92960), (320, 82502), (332, 79520), (355, 74368), (415, 63616), (448, 58930), (497, 53120), (560, 47144), (568, 46480), (581, 45440), (640, 41251), (664, 39760), (710, 37184), (830, 31808), (896, 29465), (994, 26560), (1120, 23572), (1136, 23240), (1162, 22720), (1328, 19880), (1420, 18592), (1660, 15904), (1988, 13280), (2240, 11786), (2272, 11620), (2324, 11360), (2485, 10624), (2656, 9940), (2840, 9296), (2905, 9088), (3320, 7952), (3976, 6640), (4480, 5893), (4544, 5810), (4648, 5680), (4970, 5312)]