12920223095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1\times {\mathrm{101987}}^1$

素因数の和:103954

約数の個数: 16

約数和(自身を含む): 16705634400

約数和(自身を除く): 3785411305

約数列:

[1, 5, 13, 65, 1949, 9745, 25337, 101987, 126685, 509935, 1325831, 6629155, 198772663, 993863315, 2584044619, 12920223095]

約数ペア:

[(1, 12920223095), (5, 2584044619), (13, 993863315), (65, 198772663), (1949, 6629155), (9745, 1325831), (25337, 509935), (101987, 126685)]