64104125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 84105216

約数和(自身を除く): 20001091

約数列:

[1, 5, 25, 31, 71, 125, 155, 233, 355, 775, 1165, 1775, 2201, 3875, 5825, 7223, 8875, 11005, 16543, 29125, 36115, 55025, 82715, 180575, 275125, 413575, 512833, 902875, 2067875, 2564165, 12820825, 64104125]

約数ペア:

[(1, 64104125), (5, 12820825), (25, 2564165), (31, 2067875), (71, 902875), (125, 512833), (155, 413575), (233, 275125), (355, 180575), (775, 82715), (1165, 55025), (1775, 36115), (2201, 29125), (3875, 16543), (5825, 11005), (7223, 8875)]