28228960

素因数分解:

$2^5\times 5^1\times {\mathrm{176431}}^1$

素因数の和:176446

約数の個数: 24

約数和(自身を含む): 66691296

約数和(自身を除く): 38462336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 176431, 352862, 705724, 882155, 1411448, 1764310, 2822896, 3528620, 5645792, 7057240, 14114480, 28228960]

約数ペア:

[(1, 28228960), (2, 14114480), (4, 7057240), (5, 5645792), (8, 3528620), (10, 2822896), (16, 1764310), (20, 1411448), (32, 882155), (40, 705724), (80, 352862), (160, 176431)]