25663361245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{20479}}^1$

素因数の和:21165

約数の個数: 32

約数和(自身を含む): 34080030720

約数和(自身を除く): 8416669475

約数列:

[1, 5, 17, 23, 85, 115, 391, 641, 1955, 3205, 10897, 14743, 20479, 54485, 73715, 102395, 250631, 348143, 471017, 1253155, 1740715, 2355085, 8007289, 13127039, 40036445, 65635195, 223159663, 301921897, 1115798315, 1509609485, 5132672249, 25663361245]

約数ペア:

[(1, 25663361245), (5, 5132672249), (17, 1509609485), (23, 1115798315), (85, 301921897), (115, 223159663), (391, 65635195), (641, 40036445), (1955, 13127039), (3205, 8007289), (10897, 2355085), (14743, 1740715), (20479, 1253155), (54485, 471017), (73715, 348143), (102395, 250631)]