25748515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20886

約数の個数: 16

約数和(自身を含む): 35028000

約数和(自身を除く): 9279485

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 20849, 104245, 271037, 396131, 1355185, 1980655, 5149703, 25748515]

約数ペア:

[(1, 25748515), (5, 5149703), (13, 1980655), (19, 1355185), (65, 396131), (95, 271037), (247, 104245), (1235, 20849)]