42560000

素因数分解:

$2^9\times 5^4\times 7^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 200

約数和(自身を含む): 127834080

約数和(自身を除く): 85274080

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, 512, 532, 560, 608, 625, 640, 665, 700, 760, 800, 875, 896, 950, 1000, 1064, 1120, 1216, 1250, 1280, 1330, 1400, 1520, 1600, 1750, 1792, 1900, 2000, 2128, 2240, 2375, 2432, 2500, 2560, 2660, 2800, 3040, 3200, 3325, 3500, 3584, 3800, 4000, 4256, 4375, 4480, 4750, 4864, 5000, 5320, 5600, 6080, 6400, 6650, 7000, 7600, 8000, 8512, 8750, 8960, 9500, 9728, 10000, 10640, 11200, 11875, 12160, 12800, 13300, 14000, 15200, 16000, 16625, 17024, 17500, 17920, 19000, 20000, 21280, 22400, 23750, 24320, 26600, 28000, 30400, 32000, 33250, 34048, 35000, 38000, 40000, 42560, 44800, 47500, 48640, 53200, 56000, 60800, 64000, 66500, 68096, 70000, 76000, 80000, 83125, 85120, 89600, 95000, 106400, 112000, 121600, 133000, 140000, 152000, 160000, 166250, 170240, 190000, 212800, 224000, 243200, 266000, 280000, 304000, 320000, 332500, 340480, 380000, 425600, 448000, 532000, 560000, 608000, 665000, 760000, 851200, 1064000, 1120000, 1216000, 1330000, 1520000, 1702400, 2128000, 2240000, 2660000, 3040000, 4256000, 5320000, 6080000, 8512000, 10640000, 21280000, 42560000]

約数ペア:

[(1, 42560000), (2, 21280000), (4, 10640000), (5, 8512000), (7, 6080000), (8, 5320000), (10, 4256000), (14, 3040000), (16, 2660000), (19, 2240000), (20, 2128000), (25, 1702400), (28, 1520000), (32, 1330000), (35, 1216000), (38, 1120000), (40, 1064000), (50, 851200), (56, 760000), (64, 665000), (70, 608000), (76, 560000), (80, 532000), (95, 448000), (100, 425600), (112, 380000), (125, 340480), (128, 332500), (133, 320000), (140, 304000), (152, 280000), (160, 266000), (175, 243200), (190, 224000), (200, 212800), (224, 190000), (250, 170240), (256, 166250), (266, 160000), (280, 152000), (304, 140000), (320, 133000), (350, 121600), (380, 112000), (400, 106400), (448, 95000), (475, 89600), (500, 85120), (512, 83125), (532, 80000), (560, 76000), (608, 70000), (625, 68096), (640, 66500), (665, 64000), (700, 60800), (760, 56000), (800, 53200), (875, 48640), (896, 47500), (950, 44800), (1000, 42560), (1064, 40000), (1120, 38000), (1216, 35000), (1250, 34048), (1280, 33250), (1330, 32000), (1400, 30400), (1520, 28000), (1600, 26600), (1750, 24320), (1792, 23750), (1900, 22400), (2000, 21280), (2128, 20000), (2240, 19000), (2375, 17920), (2432, 17500), (2500, 17024), (2560, 16625), (2660, 16000), (2800, 15200), (3040, 14000), (3200, 13300), (3325, 12800), (3500, 12160), (3584, 11875), (3800, 11200), (4000, 10640), (4256, 10000), (4375, 9728), (4480, 9500), (4750, 8960), (4864, 8750), (5000, 8512), (5320, 8000), (5600, 7600), (6080, 7000), (6400, 6650)]