4394375

素因数分解:

$5^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 20

約数和(自身を含む): 5623200

約数和(自身を除く): 1228825

約数列:

[1, 5, 25, 79, 89, 125, 395, 445, 625, 1975, 2225, 7031, 9875, 11125, 35155, 49375, 55625, 175775, 878875, 4394375]

約数ペア:

[(1, 4394375), (5, 878875), (25, 175775), (79, 55625), (89, 49375), (125, 35155), (395, 11125), (445, 9875), (625, 7031), (1975, 2225)]