25007515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20286

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 9012485

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 20249, 101245, 263237, 384731, 1316185, 1923655, 5001503, 25007515]

約数ペア:

[(1, 25007515), (5, 5001503), (13, 1923655), (19, 1316185), (65, 384731), (95, 263237), (247, 101245), (1235, 20249)]