1297580800

素因数分解:

$2^8\times 5^2\times {\mathrm{202747}}^1$

素因数の和:202773

約数の個数: 54

約数和(自身を含む): 3211731068

約数和(自身を除く): 1914150268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 202747, 405494, 810988, 1013735, 1621976, 2027470, 3243952, 4054940, 5068675, 6487904, 8109880, 10137350, 12975808, 16219760, 20274700, 25951616, 32439520, 40549400, 51903232, 64879040, 81098800, 129758080, 162197600, 259516160, 324395200, 648790400, 1297580800]

約数ペア:

[(1, 1297580800), (2, 648790400), (4, 324395200), (5, 259516160), (8, 162197600), (10, 129758080), (16, 81098800), (20, 64879040), (25, 51903232), (32, 40549400), (40, 32439520), (50, 25951616), (64, 20274700), (80, 16219760), (100, 12975808), (128, 10137350), (160, 8109880), (200, 6487904), (256, 5068675), (320, 4054940), (400, 3243952), (640, 2027470), (800, 1621976), (1280, 1013735), (1600, 810988), (3200, 405494), (6400, 202747)]