28088960

素因数分解:

$2^7\times 5^1\times {\mathrm{43889}}^1$

素因数の和:43908

約数の個数: 32

約数和(自身を含む): 67151700

約数和(自身を除く): 39062740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43889, 87778, 175556, 219445, 351112, 438890, 702224, 877780, 1404448, 1755560, 2808896, 3511120, 5617792, 7022240, 14044480, 28088960]

約数ペア:

[(1, 28088960), (2, 14044480), (4, 7022240), (5, 5617792), (8, 3511120), (10, 2808896), (16, 1755560), (20, 1404448), (32, 877780), (40, 702224), (64, 438890), (80, 351112), (128, 219445), (160, 175556), (320, 87778), (640, 43889)]