28514375

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1124

約数の個数: 20

約数和(自身を含む): 36494568

約数和(自身を除く): 7980193

約数列:

[1, 5, 25, 43, 125, 215, 625, 1061, 1075, 5305, 5375, 26525, 26875, 45623, 132625, 228115, 663125, 1140575, 5702875, 28514375]

約数ペア:

[(1, 28514375), (5, 5702875), (25, 1140575), (43, 663125), (125, 228115), (215, 132625), (625, 45623), (1061, 26875), (1075, 26525), (5305, 5375)]