80768320

素因数分解:

$2^6\times 5^1\times {\mathrm{252401}}^1$

素因数の和:252418

約数の個数: 28

約数和(自身を含む): 192330324

約数和(自身を除く): 111562004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252401, 504802, 1009604, 1262005, 2019208, 2524010, 4038416, 5048020, 8076832, 10096040, 16153664, 20192080, 40384160, 80768320]

約数ペア:

[(1, 80768320), (2, 40384160), (4, 20192080), (5, 16153664), (8, 10096040), (10, 8076832), (16, 5048020), (20, 4038416), (32, 2524010), (40, 2019208), (64, 1262005), (80, 1009604), (160, 504802), (320, 252401)]