28743580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75641}}^1$

素因数の和:75669

約数の個数: 24

約数和(自身を含む): 63539280

約数和(自身を除く): 34795700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75641, 151282, 302564, 378205, 756410, 1437179, 1512820, 2874358, 5748716, 7185895, 14371790, 28743580]

約数ペア:

[(1, 28743580), (2, 14371790), (4, 7185895), (5, 5748716), (10, 2874358), (19, 1512820), (20, 1437179), (38, 756410), (76, 378205), (95, 302564), (190, 151282), (380, 75641)]