51688000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 224

約数和(自身を含む): 159763968

約数和(自身を除く): 108075968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 71, 80, 91, 100, 104, 112, 125, 130, 140, 142, 160, 175, 182, 200, 208, 224, 250, 260, 280, 284, 320, 325, 350, 355, 364, 400, 416, 448, 455, 497, 500, 520, 560, 568, 650, 700, 710, 728, 800, 832, 875, 910, 923, 994, 1000, 1040, 1120, 1136, 1300, 1400, 1420, 1456, 1600, 1625, 1750, 1775, 1820, 1846, 1988, 2000, 2080, 2240, 2272, 2275, 2485, 2600, 2800, 2840, 2912, 3250, 3500, 3550, 3640, 3692, 3976, 4000, 4160, 4544, 4550, 4615, 4970, 5200, 5600, 5680, 5824, 6461, 6500, 7000, 7100, 7280, 7384, 7952, 8000, 8875, 9100, 9230, 9940, 10400, 11200, 11360, 11375, 12425, 12922, 13000, 14000, 14200, 14560, 14768, 15904, 17750, 18200, 18460, 19880, 20800, 22720, 22750, 23075, 24850, 25844, 26000, 28000, 28400, 29120, 29536, 31808, 32305, 35500, 36400, 36920, 39760, 45500, 46150, 49700, 51688, 52000, 56000, 56800, 59072, 62125, 64610, 71000, 72800, 73840, 79520, 91000, 92300, 99400, 103376, 104000, 113600, 115375, 124250, 129220, 142000, 145600, 147680, 159040, 161525, 182000, 184600, 198800, 206752, 230750, 248500, 258440, 284000, 295360, 323050, 364000, 369200, 397600, 413504, 461500, 497000, 516880, 568000, 646100, 728000, 738400, 795200, 807625, 923000, 994000, 1033760, 1292200, 1476800, 1615250, 1846000, 1988000, 2067520, 2584400, 3230500, 3692000, 3976000, 5168800, 6461000, 7384000, 10337600, 12922000, 25844000, 51688000]

約数ペア:

[(1, 51688000), (2, 25844000), (4, 12922000), (5, 10337600), (7, 7384000), (8, 6461000), (10, 5168800), (13, 3976000), (14, 3692000), (16, 3230500), (20, 2584400), (25, 2067520), (26, 1988000), (28, 1846000), (32, 1615250), (35, 1476800), (40, 1292200), (50, 1033760), (52, 994000), (56, 923000), (64, 807625), (65, 795200), (70, 738400), (71, 728000), (80, 646100), (91, 568000), (100, 516880), (104, 497000), (112, 461500), (125, 413504), (130, 397600), (140, 369200), (142, 364000), (160, 323050), (175, 295360), (182, 284000), (200, 258440), (208, 248500), (224, 230750), (250, 206752), (260, 198800), (280, 184600), (284, 182000), (320, 161525), (325, 159040), (350, 147680), (355, 145600), (364, 142000), (400, 129220), (416, 124250), (448, 115375), (455, 113600), (497, 104000), (500, 103376), (520, 99400), (560, 92300), (568, 91000), (650, 79520), (700, 73840), (710, 72800), (728, 71000), (800, 64610), (832, 62125), (875, 59072), (910, 56800), (923, 56000), (994, 52000), (1000, 51688), (1040, 49700), (1120, 46150), (1136, 45500), (1300, 39760), (1400, 36920), (1420, 36400), (1456, 35500), (1600, 32305), (1625, 31808), (1750, 29536), (1775, 29120), (1820, 28400), (1846, 28000), (1988, 26000), (2000, 25844), (2080, 24850), (2240, 23075), (2272, 22750), (2275, 22720), (2485, 20800), (2600, 19880), (2800, 18460), (2840, 18200), (2912, 17750), (3250, 15904), (3500, 14768), (3550, 14560), (3640, 14200), (3692, 14000), (3976, 13000), (4000, 12922), (4160, 12425), (4544, 11375), (4550, 11360), (4615, 11200), (4970, 10400), (5200, 9940), (5600, 9230), (5680, 9100), (5824, 8875), (6461, 8000), (6500, 7952), (7000, 7384), (7100, 7280)]