25006865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 9587695

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 389, 559, 989, 1495, 1945, 2795, 4945, 5057, 8947, 12857, 16727, 25285, 44735, 64285, 83635, 116311, 217451, 384721, 581555, 1087255, 1923605, 5001373, 25006865]

約数ペア:

[(1, 25006865), (5, 5001373), (13, 1923605), (23, 1087255), (43, 581555), (65, 384721), (115, 217451), (215, 116311), (299, 83635), (389, 64285), (559, 44735), (989, 25285), (1495, 16727), (1945, 12857), (2795, 8947), (4945, 5057)]