26777125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{12601}}^1$

素因数の和:12633

約数の個数: 16

約数和(自身を含む): 35386416

約数和(自身を除く): 8609291

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 12601, 63005, 214217, 315025, 1071085, 1575125, 5355425, 26777125]

約数ペア:

[(1, 26777125), (5, 5355425), (17, 1575125), (25, 1071085), (85, 315025), (125, 214217), (425, 63005), (2125, 12601)]