26440400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 78878880

約数和(自身を除く): 52438480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 71, 76, 80, 95, 98, 100, 112, 133, 140, 142, 152, 175, 190, 196, 200, 245, 266, 280, 284, 304, 350, 355, 380, 392, 400, 475, 490, 497, 532, 560, 568, 665, 700, 710, 760, 784, 931, 950, 980, 994, 1064, 1136, 1225, 1330, 1349, 1400, 1420, 1520, 1775, 1862, 1900, 1960, 1988, 2128, 2450, 2485, 2660, 2698, 2800, 2840, 3325, 3479, 3550, 3724, 3800, 3920, 3976, 4655, 4900, 4970, 5320, 5396, 5680, 6650, 6745, 6958, 7100, 7448, 7600, 7952, 9310, 9443, 9800, 9940, 10640, 10792, 12425, 13300, 13490, 13916, 14200, 14896, 17395, 18620, 18886, 19600, 19880, 21584, 23275, 24850, 26600, 26980, 27832, 28400, 33725, 34790, 37240, 37772, 39760, 46550, 47215, 49700, 53200, 53960, 55664, 66101, 67450, 69580, 74480, 75544, 86975, 93100, 94430, 99400, 107920, 132202, 134900, 139160, 151088, 173950, 186200, 188860, 198800, 236075, 264404, 269800, 278320, 330505, 347900, 372400, 377720, 472150, 528808, 539600, 661010, 695800, 755440, 944300, 1057616, 1322020, 1391600, 1652525, 1888600, 2644040, 3305050, 3777200, 5288080, 6610100, 13220200, 26440400]

約数ペア:

[(1, 26440400), (2, 13220200), (4, 6610100), (5, 5288080), (7, 3777200), (8, 3305050), (10, 2644040), (14, 1888600), (16, 1652525), (19, 1391600), (20, 1322020), (25, 1057616), (28, 944300), (35, 755440), (38, 695800), (40, 661010), (49, 539600), (50, 528808), (56, 472150), (70, 377720), (71, 372400), (76, 347900), (80, 330505), (95, 278320), (98, 269800), (100, 264404), (112, 236075), (133, 198800), (140, 188860), (142, 186200), (152, 173950), (175, 151088), (190, 139160), (196, 134900), (200, 132202), (245, 107920), (266, 99400), (280, 94430), (284, 93100), (304, 86975), (350, 75544), (355, 74480), (380, 69580), (392, 67450), (400, 66101), (475, 55664), (490, 53960), (497, 53200), (532, 49700), (560, 47215), (568, 46550), (665, 39760), (700, 37772), (710, 37240), (760, 34790), (784, 33725), (931, 28400), (950, 27832), (980, 26980), (994, 26600), (1064, 24850), (1136, 23275), (1225, 21584), (1330, 19880), (1349, 19600), (1400, 18886), (1420, 18620), (1520, 17395), (1775, 14896), (1862, 14200), (1900, 13916), (1960, 13490), (1988, 13300), (2128, 12425), (2450, 10792), (2485, 10640), (2660, 9940), (2698, 9800), (2800, 9443), (2840, 9310), (3325, 7952), (3479, 7600), (3550, 7448), (3724, 7100), (3800, 6958), (3920, 6745), (3976, 6650), (4655, 5680), (4900, 5396), (4970, 5320)]