4256000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 144

約数和(自身を含む): 12754560

約数和(自身を除く): 8498560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 125, 128, 133, 140, 152, 160, 175, 190, 200, 224, 250, 256, 266, 280, 304, 320, 350, 380, 400, 448, 475, 500, 532, 560, 608, 640, 665, 700, 760, 800, 875, 896, 950, 1000, 1064, 1120, 1216, 1280, 1330, 1400, 1520, 1600, 1750, 1792, 1900, 2000, 2128, 2240, 2375, 2432, 2660, 2800, 3040, 3200, 3325, 3500, 3800, 4000, 4256, 4480, 4750, 4864, 5320, 5600, 6080, 6400, 6650, 7000, 7600, 8000, 8512, 8960, 9500, 10640, 11200, 12160, 13300, 14000, 15200, 16000, 16625, 17024, 19000, 21280, 22400, 24320, 26600, 28000, 30400, 32000, 33250, 34048, 38000, 42560, 44800, 53200, 56000, 60800, 66500, 76000, 85120, 106400, 112000, 121600, 133000, 152000, 170240, 212800, 224000, 266000, 304000, 425600, 532000, 608000, 851200, 1064000, 2128000, 4256000]

約数ペア:

[(1, 4256000), (2, 2128000), (4, 1064000), (5, 851200), (7, 608000), (8, 532000), (10, 425600), (14, 304000), (16, 266000), (19, 224000), (20, 212800), (25, 170240), (28, 152000), (32, 133000), (35, 121600), (38, 112000), (40, 106400), (50, 85120), (56, 76000), (64, 66500), (70, 60800), (76, 56000), (80, 53200), (95, 44800), (100, 42560), (112, 38000), (125, 34048), (128, 33250), (133, 32000), (140, 30400), (152, 28000), (160, 26600), (175, 24320), (190, 22400), (200, 21280), (224, 19000), (250, 17024), (256, 16625), (266, 16000), (280, 15200), (304, 14000), (320, 13300), (350, 12160), (380, 11200), (400, 10640), (448, 9500), (475, 8960), (500, 8512), (532, 8000), (560, 7600), (608, 7000), (640, 6650), (665, 6400), (700, 6080), (760, 5600), (800, 5320), (875, 4864), (896, 4750), (950, 4480), (1000, 4256), (1064, 4000), (1120, 3800), (1216, 3500), (1280, 3325), (1330, 3200), (1400, 3040), (1520, 2800), (1600, 2660), (1750, 2432), (1792, 2375), (1900, 2240), (2000, 2128)]