25625015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20749}}^1$

素因数の和:20786

約数の個数: 16

約数和(自身を含む): 34860000

約数和(自身を除く): 9234985

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 20749, 103745, 269737, 394231, 1348685, 1971155, 5125003, 25625015]

約数ペア:

[(1, 25625015), (5, 5125003), (13, 1971155), (19, 1348685), (65, 394231), (95, 269737), (247, 103745), (1235, 20749)]