204828640

素因数分解:

$2^5\times 5^1\times {\mathrm{1280179}}^1$

素因数の和:1280194

約数の個数: 24

約数和(自身を含む): 483908040

約数和(自身を除く): 279079400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1280179, 2560358, 5120716, 6400895, 10241432, 12801790, 20482864, 25603580, 40965728, 51207160, 102414320, 204828640]

約数ペア:

[(1, 204828640), (2, 102414320), (4, 51207160), (5, 40965728), (8, 25603580), (10, 20482864), (16, 12801790), (20, 10241432), (32, 6400895), (40, 5120716), (80, 2560358), (160, 1280179)]