2105875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 2785536

約数和(自身を除く): 679661

約数列:

[1, 5, 17, 25, 85, 125, 425, 991, 2125, 4955, 16847, 24775, 84235, 123875, 421175, 2105875]

約数ペア:

[(1, 2105875), (5, 421175), (17, 123875), (25, 84235), (85, 24775), (125, 16847), (425, 4955), (991, 2125)]