12887225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 18123840

約数和(自身を除く): 5236615

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 2087, 6175, 10435, 27131, 39653, 52175, 135655, 198265, 515489, 678275, 991325, 2577445, 12887225]

約数ペア:

[(1, 12887225), (5, 2577445), (13, 991325), (19, 678275), (25, 515489), (65, 198265), (95, 135655), (247, 52175), (325, 39653), (475, 27131), (1235, 10435), (2087, 6175)]