3953825

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1876

約数の個数: 12

約数和(自身を含む): 4960620

約数和(自身を除く): 1006795

約数列:

[1, 5, 25, 89, 445, 1777, 2225, 8885, 44425, 158153, 790765, 3953825]

約数ペア:

[(1, 3953825), (5, 790765), (25, 158153), (89, 44425), (445, 8885), (1777, 2225)]