39987175

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 51184224

約数和(自身を除く): 11197049

約数列:

[1, 5, 25, 53, 103, 265, 293, 515, 1325, 1465, 2575, 5459, 7325, 15529, 27295, 30179, 77645, 136475, 150895, 388225, 754475, 1599487, 7997435, 39987175]

約数ペア:

[(1, 39987175), (5, 7997435), (25, 1599487), (53, 754475), (103, 388225), (265, 150895), (293, 136475), (515, 77645), (1325, 30179), (1465, 27295), (2575, 15529), (5459, 7325)]