38138125

素因数分解:

$5^4\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:598

約数の個数: 20

約数和(自身を含む): 48109600

約数和(自身を除く): 9971475

約数列:

[1, 5, 25, 125, 139, 439, 625, 695, 2195, 3475, 10975, 17375, 54875, 61021, 86875, 274375, 305105, 1525525, 7627625, 38138125]

約数ペア:

[(1, 38138125), (5, 7627625), (25, 1525525), (125, 305105), (139, 274375), (439, 86875), (625, 61021), (695, 54875), (2195, 17375), (3475, 10975)]