54618125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 70477440

約数和(自身を除く): 15859315

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 2819, 3875, 14095, 19375, 70475, 87389, 352375, 436945, 1761875, 2184725, 10923625, 54618125]

約数ペア:

[(1, 54618125), (5, 10923625), (25, 2184725), (31, 1761875), (125, 436945), (155, 352375), (625, 87389), (775, 70475), (2819, 19375), (3875, 14095)]