13943680

素因数分解:

$2^7\times 5^1\times {\mathrm{21787}}^1$

素因数の和:21806

約数の個数: 32

約数和(自身を含む): 33335640

約数和(自身を除く): 19391960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21787, 43574, 87148, 108935, 174296, 217870, 348592, 435740, 697184, 871480, 1394368, 1742960, 2788736, 3485920, 6971840, 13943680]

約数ペア:

[(1, 13943680), (2, 6971840), (4, 3485920), (5, 2788736), (8, 1742960), (10, 1394368), (16, 871480), (20, 697184), (32, 435740), (40, 348592), (64, 217870), (80, 174296), (128, 108935), (160, 87148), (320, 43574), (640, 21787)]