808224640

素因数分解:

$2^7\times 5^1\times {\mathrm{1262851}}^1$

素因数の和:1262870

約数の個数: 32

約数和(自身を含む): 1932163560

約数和(自身を除く): 1123938920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1262851, 2525702, 5051404, 6314255, 10102808, 12628510, 20205616, 25257020, 40411232, 50514040, 80822464, 101028080, 161644928, 202056160, 404112320, 808224640]

約数ペア:

[(1, 808224640), (2, 404112320), (4, 202056160), (5, 161644928), (8, 101028080), (10, 80822464), (16, 50514040), (20, 40411232), (32, 25257020), (40, 20205616), (64, 12628510), (80, 10102808), (128, 6314255), (160, 5051404), (320, 2525702), (640, 1262851)]