4278320

素因数分解:

$2^4\times 5^1\times {\mathrm{53479}}^1$

素因数の和:53492

約数の個数: 20

約数和(自身を含む): 9947280

約数和(自身を除く): 5668960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 53479, 106958, 213916, 267395, 427832, 534790, 855664, 1069580, 2139160, 4278320]

約数ペア:

[(1, 4278320), (2, 2139160), (4, 1069580), (5, 855664), (8, 534790), (10, 427832), (16, 267395), (20, 213916), (40, 106958), (80, 53479)]