28230625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2694

約数の個数: 20

約数和(自身を含む): 37366164

約数和(自身を除く): 9135539

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 2657, 10625, 13285, 45169, 66425, 225845, 332125, 1129225, 1660625, 5646125, 28230625]

約数ペア:

[(1, 28230625), (5, 5646125), (17, 1660625), (25, 1129225), (85, 332125), (125, 225845), (425, 66425), (625, 45169), (2125, 13285), (2657, 10625)]