28260625

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 20

約数和(自身を含む): 35738560

約数和(自身を除く): 7477935

約数列:

[1, 5, 25, 103, 125, 439, 515, 625, 2195, 2575, 10975, 12875, 45217, 54875, 64375, 226085, 274375, 1130425, 5652125, 28260625]

約数ペア:

[(1, 28260625), (5, 5652125), (25, 1130425), (103, 274375), (125, 226085), (439, 64375), (515, 54875), (625, 45217), (2195, 12875), (2575, 10975)]