51858400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 141740928

約数和(自身を除く): 89882528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 71, 80, 83, 88, 100, 110, 142, 160, 166, 176, 200, 220, 275, 284, 332, 352, 355, 400, 415, 440, 550, 568, 664, 710, 781, 800, 830, 880, 913, 1100, 1136, 1328, 1420, 1562, 1660, 1760, 1775, 1826, 2075, 2200, 2272, 2656, 2840, 3124, 3320, 3550, 3652, 3905, 4150, 4400, 4565, 5680, 5893, 6248, 6640, 7100, 7304, 7810, 8300, 8800, 9130, 11360, 11786, 12496, 13280, 14200, 14608, 15620, 16600, 18260, 19525, 22825, 23572, 24992, 28400, 29216, 29465, 31240, 33200, 36520, 39050, 45650, 47144, 56800, 58930, 62480, 64823, 66400, 73040, 78100, 91300, 94288, 117860, 124960, 129646, 146080, 147325, 156200, 182600, 188576, 235720, 259292, 294650, 312400, 324115, 365200, 471440, 518584, 589300, 624800, 648230, 730400, 942880, 1037168, 1178600, 1296460, 1620575, 2074336, 2357200, 2592920, 3241150, 4714400, 5185840, 6482300, 10371680, 12964600, 25929200, 51858400]

約数ペア:

[(1, 51858400), (2, 25929200), (4, 12964600), (5, 10371680), (8, 6482300), (10, 5185840), (11, 4714400), (16, 3241150), (20, 2592920), (22, 2357200), (25, 2074336), (32, 1620575), (40, 1296460), (44, 1178600), (50, 1037168), (55, 942880), (71, 730400), (80, 648230), (83, 624800), (88, 589300), (100, 518584), (110, 471440), (142, 365200), (160, 324115), (166, 312400), (176, 294650), (200, 259292), (220, 235720), (275, 188576), (284, 182600), (332, 156200), (352, 147325), (355, 146080), (400, 129646), (415, 124960), (440, 117860), (550, 94288), (568, 91300), (664, 78100), (710, 73040), (781, 66400), (800, 64823), (830, 62480), (880, 58930), (913, 56800), (1100, 47144), (1136, 45650), (1328, 39050), (1420, 36520), (1562, 33200), (1660, 31240), (1760, 29465), (1775, 29216), (1826, 28400), (2075, 24992), (2200, 23572), (2272, 22825), (2656, 19525), (2840, 18260), (3124, 16600), (3320, 15620), (3550, 14608), (3652, 14200), (3905, 13280), (4150, 12496), (4400, 11786), (4565, 11360), (5680, 9130), (5893, 8800), (6248, 8300), (6640, 7810), (7100, 7304)]