247245640

素因数分解:

$2^3\times 5^1\times {\mathrm{6181141}}^1$

素因数の和:6181152

約数の個数: 16

約数和(自身を含む): 556302780

約数和(自身を除く): 309057140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6181141, 12362282, 24724564, 30905705, 49449128, 61811410, 123622820, 247245640]

約数ペア:

[(1, 247245640), (2, 123622820), (4, 61811410), (5, 49449128), (8, 30905705), (10, 24724564), (20, 12362282), (40, 6181141)]