25989121205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{5039}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 32361638400

約数和(自身を除く): 6372517195

約数列:

[1, 5, 41, 139, 181, 205, 695, 905, 5039, 5699, 7421, 25159, 25195, 28495, 37105, 125795, 206599, 700421, 912059, 1031519, 1032995, 3502105, 4560295, 5157595, 28717261, 37394419, 126776201, 143586305, 186972095, 633881005, 5197824241, 25989121205]

約数ペア:

[(1, 25989121205), (5, 5197824241), (41, 633881005), (139, 186972095), (181, 143586305), (205, 126776201), (695, 37394419), (905, 28717261), (5039, 5157595), (5699, 4560295), (7421, 3502105), (25159, 1032995), (25195, 1031519), (28495, 912059), (37105, 700421), (125795, 206599)]