25597195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 7666805

約数列:

[1, 5, 13, 65, 197, 985, 1999, 2561, 9995, 12805, 25987, 129935, 393803, 1969015, 5119439, 25597195]

約数ペア:

[(1, 25597195), (5, 5119439), (13, 1969015), (65, 393803), (197, 129935), (985, 25987), (1999, 12805), (2561, 9995)]