80160320

素因数分解:

$2^6\times 5^1\times {\mathrm{250501}}^1$

素因数の和:250518

約数の個数: 28

約数和(自身を含む): 190882524

約数和(自身を除く): 110722204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250501, 501002, 1002004, 1252505, 2004008, 2505010, 4008016, 5010020, 8016032, 10020040, 16032064, 20040080, 40080160, 80160320]

約数ペア:

[(1, 80160320), (2, 40080160), (4, 20040080), (5, 16032064), (8, 10020040), (10, 8016032), (16, 5010020), (20, 4008016), (32, 2505010), (40, 2004008), (64, 1252505), (80, 1002004), (160, 501002), (320, 250501)]