52640000

素因数分解:

$2^8\times 5^4\times 7^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 153250944

約数和(自身を除く): 100610944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 64, 70, 80, 94, 100, 112, 125, 128, 140, 160, 175, 188, 200, 224, 235, 250, 256, 280, 320, 329, 350, 376, 400, 448, 470, 500, 560, 625, 640, 658, 700, 752, 800, 875, 896, 940, 1000, 1120, 1175, 1250, 1280, 1316, 1400, 1504, 1600, 1645, 1750, 1792, 1880, 2000, 2240, 2350, 2500, 2632, 2800, 3008, 3200, 3290, 3500, 3760, 4000, 4375, 4480, 4700, 5000, 5264, 5600, 5875, 6016, 6400, 6580, 7000, 7520, 8000, 8225, 8750, 8960, 9400, 10000, 10528, 11200, 11750, 12032, 13160, 14000, 15040, 16000, 16450, 17500, 18800, 20000, 21056, 22400, 23500, 26320, 28000, 29375, 30080, 32000, 32900, 35000, 37600, 40000, 41125, 42112, 44800, 47000, 52640, 56000, 58750, 60160, 65800, 70000, 75200, 80000, 82250, 84224, 94000, 105280, 112000, 117500, 131600, 140000, 150400, 160000, 164500, 188000, 205625, 210560, 224000, 235000, 263200, 280000, 300800, 329000, 376000, 411250, 421120, 470000, 526400, 560000, 658000, 752000, 822500, 940000, 1052800, 1120000, 1316000, 1504000, 1645000, 1880000, 2105600, 2632000, 3290000, 3760000, 5264000, 6580000, 7520000, 10528000, 13160000, 26320000, 52640000]

約数ペア:

[(1, 52640000), (2, 26320000), (4, 13160000), (5, 10528000), (7, 7520000), (8, 6580000), (10, 5264000), (14, 3760000), (16, 3290000), (20, 2632000), (25, 2105600), (28, 1880000), (32, 1645000), (35, 1504000), (40, 1316000), (47, 1120000), (50, 1052800), (56, 940000), (64, 822500), (70, 752000), (80, 658000), (94, 560000), (100, 526400), (112, 470000), (125, 421120), (128, 411250), (140, 376000), (160, 329000), (175, 300800), (188, 280000), (200, 263200), (224, 235000), (235, 224000), (250, 210560), (256, 205625), (280, 188000), (320, 164500), (329, 160000), (350, 150400), (376, 140000), (400, 131600), (448, 117500), (470, 112000), (500, 105280), (560, 94000), (625, 84224), (640, 82250), (658, 80000), (700, 75200), (752, 70000), (800, 65800), (875, 60160), (896, 58750), (940, 56000), (1000, 52640), (1120, 47000), (1175, 44800), (1250, 42112), (1280, 41125), (1316, 40000), (1400, 37600), (1504, 35000), (1600, 32900), (1645, 32000), (1750, 30080), (1792, 29375), (1880, 28000), (2000, 26320), (2240, 23500), (2350, 22400), (2500, 21056), (2632, 20000), (2800, 18800), (3008, 17500), (3200, 16450), (3290, 16000), (3500, 15040), (3760, 14000), (4000, 13160), (4375, 12032), (4480, 11750), (4700, 11200), (5000, 10528), (5264, 10000), (5600, 9400), (5875, 8960), (6016, 8750), (6400, 8225), (6580, 8000), (7000, 7520)]