13504640

素因数分解:

$2^7\times 5^1\times {\mathrm{21101}}^1$

素因数の和:21120

約数の個数: 32

約数和(自身を含む): 32286060

約数和(自身を除く): 18781420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21101, 42202, 84404, 105505, 168808, 211010, 337616, 422020, 675232, 844040, 1350464, 1688080, 2700928, 3376160, 6752320, 13504640]

約数ペア:

[(1, 13504640), (2, 6752320), (4, 3376160), (5, 2700928), (8, 1688080), (10, 1350464), (16, 844040), (20, 675232), (32, 422020), (40, 337616), (64, 211010), (80, 168808), (128, 105505), (160, 84404), (320, 42202), (640, 21101)]