25266865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 10013135

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 499, 533, 779, 1235, 2495, 2665, 3895, 6487, 9481, 10127, 20459, 32435, 47405, 50635, 102295, 123253, 265967, 388721, 616265, 1329835, 1943605, 5053373, 25266865]

約数ペア:

[(1, 25266865), (5, 5053373), (13, 1943605), (19, 1329835), (41, 616265), (65, 388721), (95, 265967), (205, 123253), (247, 102295), (499, 50635), (533, 47405), (779, 32435), (1235, 20459), (2495, 10127), (2665, 9481), (3895, 6487)]