8656640

素因数分解:

$2^8\times 5^1\times {\mathrm{6763}}^1$

素因数の和:6784

約数の個数: 36

約数和(自身を含む): 20738424

約数和(自身を除く): 12081784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6763, 13526, 27052, 33815, 54104, 67630, 108208, 135260, 216416, 270520, 432832, 541040, 865664, 1082080, 1731328, 2164160, 4328320, 8656640]

約数ペア:

[(1, 8656640), (2, 4328320), (4, 2164160), (5, 1731328), (8, 1082080), (10, 865664), (16, 541040), (20, 432832), (32, 270520), (40, 216416), (64, 135260), (80, 108208), (128, 67630), (160, 54104), (256, 33815), (320, 27052), (640, 13526), (1280, 6763)]