2085625

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 20

約数和(自身を含む): 2699136

約数和(自身を除く): 613511

約数列:

[1, 5, 25, 47, 71, 125, 235, 355, 625, 1175, 1775, 3337, 5875, 8875, 16685, 29375, 44375, 83425, 417125, 2085625]

約数ペア:

[(1, 2085625), (5, 417125), (25, 83425), (47, 44375), (71, 29375), (125, 16685), (235, 8875), (355, 5875), (625, 3337), (1175, 1775)]