28151680

素因数分解:

$2^7\times 5^1\times {\mathrm{43987}}^1$

素因数の和:44006

約数の個数: 32

約数和(自身を含む): 67301640

約数和(自身を除く): 39149960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43987, 87974, 175948, 219935, 351896, 439870, 703792, 879740, 1407584, 1759480, 2815168, 3518960, 5630336, 7037920, 14075840, 28151680]

約数ペア:

[(1, 28151680), (2, 14075840), (4, 7037920), (5, 5630336), (8, 3518960), (10, 2815168), (16, 1759480), (20, 1407584), (32, 879740), (40, 703792), (64, 439870), (80, 351896), (128, 219935), (160, 175948), (320, 87974), (640, 43987)]