49984000

素因数分解:

$2^9\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 160

約数和(自身を含む): 137884032

約数和(自身を除く): 87900032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 71, 80, 88, 100, 110, 125, 128, 142, 160, 176, 200, 220, 250, 256, 275, 284, 320, 352, 355, 400, 440, 500, 512, 550, 568, 640, 704, 710, 781, 800, 880, 1000, 1100, 1136, 1280, 1375, 1408, 1420, 1562, 1600, 1760, 1775, 2000, 2200, 2272, 2560, 2750, 2816, 2840, 3124, 3200, 3520, 3550, 3905, 4000, 4400, 4544, 5500, 5632, 5680, 6248, 6400, 7040, 7100, 7810, 8000, 8800, 8875, 9088, 11000, 11360, 12496, 12800, 14080, 14200, 15620, 16000, 17600, 17750, 18176, 19525, 22000, 22720, 24992, 28160, 28400, 31240, 32000, 35200, 35500, 36352, 39050, 44000, 45440, 49984, 56800, 62480, 64000, 70400, 71000, 78100, 88000, 90880, 97625, 99968, 113600, 124960, 140800, 142000, 156200, 176000, 181760, 195250, 199936, 227200, 249920, 284000, 312400, 352000, 390500, 399872, 454400, 499840, 568000, 624800, 704000, 781000, 908800, 999680, 1136000, 1249600, 1562000, 1999360, 2272000, 2499200, 3124000, 4544000, 4998400, 6248000, 9996800, 12496000, 24992000, 49984000]

約数ペア:

[(1, 49984000), (2, 24992000), (4, 12496000), (5, 9996800), (8, 6248000), (10, 4998400), (11, 4544000), (16, 3124000), (20, 2499200), (22, 2272000), (25, 1999360), (32, 1562000), (40, 1249600), (44, 1136000), (50, 999680), (55, 908800), (64, 781000), (71, 704000), (80, 624800), (88, 568000), (100, 499840), (110, 454400), (125, 399872), (128, 390500), (142, 352000), (160, 312400), (176, 284000), (200, 249920), (220, 227200), (250, 199936), (256, 195250), (275, 181760), (284, 176000), (320, 156200), (352, 142000), (355, 140800), (400, 124960), (440, 113600), (500, 99968), (512, 97625), (550, 90880), (568, 88000), (640, 78100), (704, 71000), (710, 70400), (781, 64000), (800, 62480), (880, 56800), (1000, 49984), (1100, 45440), (1136, 44000), (1280, 39050), (1375, 36352), (1408, 35500), (1420, 35200), (1562, 32000), (1600, 31240), (1760, 28400), (1775, 28160), (2000, 24992), (2200, 22720), (2272, 22000), (2560, 19525), (2750, 18176), (2816, 17750), (2840, 17600), (3124, 16000), (3200, 15620), (3520, 14200), (3550, 14080), (3905, 12800), (4000, 12496), (4400, 11360), (4544, 11000), (5500, 9088), (5632, 8875), (5680, 8800), (6248, 8000), (6400, 7810), (7040, 7100)]