68665600

素因数分解:

$2^8\times 5^2\times {\mathrm{10729}}^1$

素因数の和:10755

約数の個数: 54

約数和(自身を含む): 169973930

約数和(自身を除く): 101308330

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, 10729, 21458, 42916, 53645, 85832, 107290, 171664, 214580, 268225, 343328, 429160, 536450, 686656, 858320, 1072900, 1373312, 1716640, 2145800, 2746624, 3433280, 4291600, 6866560, 8583200, 13733120, 17166400, 34332800, 68665600]

約数ペア:

[(1, 68665600), (2, 34332800), (4, 17166400), (5, 13733120), (8, 8583200), (10, 6866560), (16, 4291600), (20, 3433280), (25, 2746624), (32, 2145800), (40, 1716640), (50, 1373312), (64, 1072900), (80, 858320), (100, 686656), (128, 536450), (160, 429160), (200, 343328), (256, 268225), (320, 214580), (400, 171664), (640, 107290), (800, 85832), (1280, 53645), (1600, 42916), (3200, 21458), (6400, 10729)]