28523125

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 36438336

約数和(自身を除く): 7915211

約数列:

[1, 5, 25, 47, 125, 235, 625, 971, 1175, 4855, 5875, 24275, 29375, 45637, 121375, 228185, 606875, 1140925, 5704625, 28523125]

約数ペア:

[(1, 28523125), (5, 5704625), (25, 1140925), (47, 606875), (125, 228185), (235, 121375), (625, 45637), (971, 29375), (1175, 24275), (4855, 5875)]