80320

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1$

素因数の和:268

約数の個数: 28

約数和(自身を含む): 192024

約数和(自身を除く): 111704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 20080, 40160, 80320]

約数ペア:

[(1, 80320), (2, 40160), (4, 20080), (5, 16064), (8, 10040), (10, 8032), (16, 5020), (20, 4016), (32, 2510), (40, 2008), (64, 1255), (80, 1004), (160, 502), (251, 320)]