26271775

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 35716464

約数和(自身を除く): 9444689

約数列:

[1, 5, 19, 25, 41, 71, 95, 205, 355, 361, 475, 779, 1025, 1349, 1775, 1805, 2911, 3895, 6745, 9025, 14555, 14801, 19475, 25631, 33725, 55309, 72775, 74005, 128155, 276545, 370025, 640775, 1050871, 1382725, 5254355, 26271775]

約数ペア:

[(1, 26271775), (5, 5254355), (19, 1382725), (25, 1050871), (41, 640775), (71, 370025), (95, 276545), (205, 128155), (355, 74005), (361, 72775), (475, 55309), (779, 33725), (1025, 25631), (1349, 19475), (1775, 14801), (1805, 14555), (2911, 9025), (3895, 6745)]