25209145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 32694480

約数和(自身を除く): 7485335

約数列:

[1, 5, 13, 65, 389, 997, 1945, 4985, 5057, 12961, 25285, 64805, 387833, 1939165, 5041829, 25209145]

約数ペア:

[(1, 25209145), (5, 5041829), (13, 1939165), (65, 387833), (389, 64805), (997, 25285), (1945, 12961), (4985, 5057)]