12976000

素因数分解:

$2^7\times 5^3\times {\mathrm{811}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 32301360

約数和(自身を除く): 19325360

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, 811, 1000, 1600, 1622, 2000, 3200, 3244, 4000, 4055, 6488, 8000, 8110, 12976, 16000, 16220, 20275, 25952, 32440, 40550, 51904, 64880, 81100, 101375, 103808, 129760, 162200, 202750, 259520, 324400, 405500, 519040, 648800, 811000, 1297600, 1622000, 2595200, 3244000, 6488000, 12976000]

約数ペア:

[(1, 12976000), (2, 6488000), (4, 3244000), (5, 2595200), (8, 1622000), (10, 1297600), (16, 811000), (20, 648800), (25, 519040), (32, 405500), (40, 324400), (50, 259520), (64, 202750), (80, 162200), (100, 129760), (125, 103808), (128, 101375), (160, 81100), (200, 64880), (250, 51904), (320, 40550), (400, 32440), (500, 25952), (640, 20275), (800, 16220), (811, 16000), (1000, 12976), (1600, 8110), (1622, 8000), (2000, 6488), (3200, 4055), (3244, 4000)]