28277875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{5261}}^1$

素因数の和:5319

約数の個数: 16

約数和(自身を含む): 36118368

約数和(自身を除く): 7840493

約数列:

[1, 5, 25, 43, 125, 215, 1075, 5261, 5375, 26305, 131525, 226223, 657625, 1131115, 5655575, 28277875]

約数ペア:

[(1, 28277875), (5, 5655575), (25, 1131115), (43, 657625), (125, 226223), (215, 131525), (1075, 26305), (5261, 5375)]