12860800

素因数分解:

$2^7\times 5^2\times {\mathrm{4019}}^1$

素因数の和:4043

約数の個数: 48

約数和(自身を含む): 31778100

約数和(自身を除く): 18917300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 4019, 8038, 16076, 20095, 32152, 40190, 64304, 80380, 100475, 128608, 160760, 200950, 257216, 321520, 401900, 514432, 643040, 803800, 1286080, 1607600, 2572160, 3215200, 6430400, 12860800]

約数ペア:

[(1, 12860800), (2, 6430400), (4, 3215200), (5, 2572160), (8, 1607600), (10, 1286080), (16, 803800), (20, 643040), (25, 514432), (32, 401900), (40, 321520), (50, 257216), (64, 200950), (80, 160760), (100, 128608), (128, 100475), (160, 80380), (200, 64304), (320, 40190), (400, 32152), (640, 20095), (800, 16076), (1600, 8038), (3200, 4019)]