10240640

素因数分解:

$2^7\times 5^1\times {\mathrm{16001}}^1$

素因数の和:16020

約数の個数: 32

約数和(自身を含む): 24483060

約数和(自身を除く): 14242420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 16001, 32002, 64004, 80005, 128008, 160010, 256016, 320020, 512032, 640040, 1024064, 1280080, 2048128, 2560160, 5120320, 10240640]

約数ペア:

[(1, 10240640), (2, 5120320), (4, 2560160), (5, 2048128), (8, 1280080), (10, 1024064), (16, 640040), (20, 512032), (32, 320020), (40, 256016), (64, 160010), (80, 128008), (128, 80005), (160, 64004), (320, 32002), (640, 16001)]