4230400

素因数分解:

$2^8\times 5^2\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 54

約数和(自身を含む): 10486742

約数和(自身を除く): 6256342

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, 661, 800, 1280, 1322, 1600, 2644, 3200, 3305, 5288, 6400, 6610, 10576, 13220, 16525, 21152, 26440, 33050, 42304, 52880, 66100, 84608, 105760, 132200, 169216, 211520, 264400, 423040, 528800, 846080, 1057600, 2115200, 4230400]

約数ペア:

[(1, 4230400), (2, 2115200), (4, 1057600), (5, 846080), (8, 528800), (10, 423040), (16, 264400), (20, 211520), (25, 169216), (32, 132200), (40, 105760), (50, 84608), (64, 66100), (80, 52880), (100, 42304), (128, 33050), (160, 26440), (200, 21152), (256, 16525), (320, 13220), (400, 10576), (640, 6610), (661, 6400), (800, 5288), (1280, 3305), (1322, 3200), (1600, 2644)]