28227020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11113}}^1$

素因数の和:11249

約数の個数: 24

約数和(自身を含む): 59748864

約数和(自身を除く): 31521844

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11113, 22226, 44452, 55565, 111130, 222260, 1411351, 2822702, 5645404, 7056755, 14113510, 28227020]

約数ペア:

[(1, 28227020), (2, 14113510), (4, 7056755), (5, 5645404), (10, 2822702), (20, 1411351), (127, 222260), (254, 111130), (508, 55565), (635, 44452), (1270, 22226), (2540, 11113)]