124278320

素因数分解:

$2^4\times 5^1\times {\mathrm{1553479}}^1$

素因数の和:1553492

約数の個数: 20

約数和(自身を含む): 288947280

約数和(自身を除く): 164668960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1553479, 3106958, 6213916, 7767395, 12427832, 15534790, 24855664, 31069580, 62139160, 124278320]

約数ペア:

[(1, 124278320), (2, 62139160), (4, 31069580), (5, 24855664), (8, 15534790), (10, 12427832), (16, 7767395), (20, 6213916), (40, 3106958), (80, 1553479)]