18624640

素因数分解:

$2^7\times 5^1\times {\mathrm{29101}}^1$

素因数の和:29120

約数の個数: 32

約数和(自身を含む): 44526060

約数和(自身を除く): 25901420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29101, 58202, 116404, 145505, 232808, 291010, 465616, 582020, 931232, 1164040, 1862464, 2328080, 3724928, 4656160, 9312320, 18624640]

約数ペア:

[(1, 18624640), (2, 9312320), (4, 4656160), (5, 3724928), (8, 2328080), (10, 1862464), (16, 1164040), (20, 931232), (32, 582020), (40, 465616), (64, 291010), (80, 232808), (128, 145505), (160, 116404), (320, 58202), (640, 29101)]