26697775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 36761040

約数和(自身を除く): 10063265

約数列:

[1, 5, 13, 25, 65, 71, 89, 169, 325, 355, 445, 845, 923, 1157, 1775, 2225, 4225, 4615, 5785, 6319, 11999, 15041, 23075, 28925, 31595, 59995, 75205, 82147, 157975, 299975, 376025, 410735, 1067911, 2053675, 5339555, 26697775]

約数ペア:

[(1, 26697775), (5, 5339555), (13, 2053675), (25, 1067911), (65, 410735), (71, 376025), (89, 299975), (169, 157975), (325, 82147), (355, 75205), (445, 59995), (845, 31595), (923, 28925), (1157, 23075), (1775, 15041), (2225, 11999), (4225, 6319), (4615, 5785)]