28000225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3511}}^1$

素因数の和:3561

約数の個数: 24

約数和(自身を含む): 39193920

約数和(自身を除く): 11193695

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 3511, 7975, 17555, 38621, 87775, 101819, 193105, 509095, 965525, 1120009, 2545475, 5600045, 28000225]

約数ペア:

[(1, 28000225), (5, 5600045), (11, 2545475), (25, 1120009), (29, 965525), (55, 509095), (145, 193105), (275, 101819), (319, 87775), (725, 38621), (1595, 17555), (3511, 7975)]