25644905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 12301975

約数列:

[1, 5, 11, 13, 31, 55, 65, 89, 143, 155, 169, 341, 403, 445, 715, 845, 979, 1157, 1705, 1859, 2015, 2759, 4433, 4895, 5239, 5785, 9295, 12727, 13795, 15041, 22165, 26195, 30349, 35867, 57629, 63635, 75205, 151745, 165451, 179335, 288145, 394537, 466271, 827255, 1972685, 2331355, 5128981, 25644905]

約数ペア:

[(1, 25644905), (5, 5128981), (11, 2331355), (13, 1972685), (31, 827255), (55, 466271), (65, 394537), (89, 288145), (143, 179335), (155, 165451), (169, 151745), (341, 75205), (403, 63635), (445, 57629), (715, 35867), (845, 30349), (979, 26195), (1157, 22165), (1705, 15041), (1859, 13795), (2015, 12727), (2759, 9295), (4433, 5785), (4895, 5239)]