6488000

素因数分解:

$2^6\times 5^3\times {\mathrm{811}}^1$

素因数の和:838

約数の個数: 56

約数和(自身を含む): 16087344

約数和(自身を除く): 9599344

約数列:

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

約数ペア:

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