129644875

素因数分解:

$5^3\times {\mathrm{643}}^1\times {\mathrm{1613}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 162148896

約数和(自身を除く): 32504021

約数列:

[1, 5, 25, 125, 643, 1613, 3215, 8065, 16075, 40325, 80375, 201625, 1037159, 5185795, 25928975, 129644875]

約数ペア:

[(1, 129644875), (5, 25928975), (25, 5185795), (125, 1037159), (643, 201625), (1613, 80375), (3215, 40325), (8065, 16075)]