1994688320

素因数分解:

$2^6\times 5^1\times {\mathrm{6233401}}^1$

素因数の和:6233418

約数の個数: 28

約数和(自身を含む): 4749852324

約数和(自身を除く): 2755164004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6233401, 12466802, 24933604, 31167005, 49867208, 62334010, 99734416, 124668020, 199468832, 249336040, 398937664, 498672080, 997344160, 1994688320]

約数ペア:

[(1, 1994688320), (2, 997344160), (4, 498672080), (5, 398937664), (8, 249336040), (10, 199468832), (16, 124668020), (20, 99734416), (32, 62334010), (40, 49867208), (64, 31167005), (80, 24933604), (160, 12466802), (320, 6233401)]