25605440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 168

約数和(自身を含む): 75053952

約数和(自身を除く): 49448512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 71, 80, 92, 98, 112, 115, 140, 142, 160, 161, 184, 196, 224, 230, 245, 280, 284, 320, 322, 355, 368, 392, 448, 460, 490, 497, 560, 568, 644, 710, 736, 784, 805, 920, 980, 994, 1120, 1127, 1136, 1288, 1420, 1472, 1568, 1610, 1633, 1840, 1960, 1988, 2240, 2254, 2272, 2485, 2576, 2840, 3136, 3220, 3266, 3479, 3680, 3920, 3976, 4508, 4544, 4970, 5152, 5635, 5680, 6440, 6532, 6958, 7360, 7840, 7952, 8165, 9016, 9940, 10304, 11270, 11360, 11431, 12880, 13064, 13916, 15680, 15904, 16330, 17395, 18032, 19880, 22540, 22720, 22862, 25760, 26128, 27832, 31808, 32660, 34790, 36064, 39760, 45080, 45724, 51520, 52256, 55664, 57155, 65320, 69580, 72128, 79520, 80017, 90160, 91448, 104512, 111328, 114310, 130640, 139160, 159040, 160034, 180320, 182896, 222656, 228620, 261280, 278320, 320068, 360640, 365792, 400085, 457240, 522560, 556640, 640136, 731584, 800170, 914480, 1113280, 1280272, 1600340, 1828960, 2560544, 3200680, 3657920, 5121088, 6401360, 12802720, 25605440]

約数ペア:

[(1, 25605440), (2, 12802720), (4, 6401360), (5, 5121088), (7, 3657920), (8, 3200680), (10, 2560544), (14, 1828960), (16, 1600340), (20, 1280272), (23, 1113280), (28, 914480), (32, 800170), (35, 731584), (40, 640136), (46, 556640), (49, 522560), (56, 457240), (64, 400085), (70, 365792), (71, 360640), (80, 320068), (92, 278320), (98, 261280), (112, 228620), (115, 222656), (140, 182896), (142, 180320), (160, 160034), (161, 159040), (184, 139160), (196, 130640), (224, 114310), (230, 111328), (245, 104512), (280, 91448), (284, 90160), (320, 80017), (322, 79520), (355, 72128), (368, 69580), (392, 65320), (448, 57155), (460, 55664), (490, 52256), (497, 51520), (560, 45724), (568, 45080), (644, 39760), (710, 36064), (736, 34790), (784, 32660), (805, 31808), (920, 27832), (980, 26128), (994, 25760), (1120, 22862), (1127, 22720), (1136, 22540), (1288, 19880), (1420, 18032), (1472, 17395), (1568, 16330), (1610, 15904), (1633, 15680), (1840, 13916), (1960, 13064), (1988, 12880), (2240, 11431), (2254, 11360), (2272, 11270), (2485, 10304), (2576, 9940), (2840, 9016), (3136, 8165), (3220, 7952), (3266, 7840), (3479, 7360), (3680, 6958), (3920, 6532), (3976, 6440), (4508, 5680), (4544, 5635), (4970, 5152)]