28405310

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{2543}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 51195456

約数和(自身を除く): 22790146

約数列:

[1, 2, 5, 10, 1117, 2234, 2543, 5086, 5585, 11170, 12715, 25430, 2840531, 5681062, 14202655, 28405310]

約数ペア:

[(1, 28405310), (2, 14202655), (5, 5681062), (10, 2840531), (1117, 25430), (2234, 12715), (2543, 11170), (5086, 5585)]