28144000

素因数分解:

$2^7\times 5^3\times {\mathrm{1759}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 70012800

約数和(自身を除く): 41868800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 1759, 2000, 3200, 3518, 4000, 7036, 8000, 8795, 14072, 16000, 17590, 28144, 35180, 43975, 56288, 70360, 87950, 112576, 140720, 175900, 219875, 225152, 281440, 351800, 439750, 562880, 703600, 879500, 1125760, 1407200, 1759000, 2814400, 3518000, 5628800, 7036000, 14072000, 28144000]

約数ペア:

[(1, 28144000), (2, 14072000), (4, 7036000), (5, 5628800), (8, 3518000), (10, 2814400), (16, 1759000), (20, 1407200), (25, 1125760), (32, 879500), (40, 703600), (50, 562880), (64, 439750), (80, 351800), (100, 281440), (125, 225152), (128, 219875), (160, 175900), (200, 140720), (250, 112576), (320, 87950), (400, 70360), (500, 56288), (640, 43975), (800, 35180), (1000, 28144), (1600, 17590), (1759, 16000), (2000, 14072), (3200, 8795), (3518, 8000), (4000, 7036)]