4999375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 20

約数和(自身を含む): 6591640

約数和(自身を除く): 1592265

約数列:

[1, 5, 19, 25, 95, 125, 421, 475, 625, 2105, 2375, 7999, 10525, 11875, 39995, 52625, 199975, 263125, 999875, 4999375]

約数ペア:

[(1, 4999375), (5, 999875), (19, 263125), (25, 199975), (95, 52625), (125, 39995), (421, 11875), (475, 10525), (625, 7999), (2105, 2375)]