28723220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9511}}^1$

素因数の和:9671

約数の個数: 24

約数和(自身を含む): 60724608

約数和(自身を除く): 32001388

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9511, 19022, 38044, 47555, 95110, 190220, 1436161, 2872322, 5744644, 7180805, 14361610, 28723220]

約数ペア:

[(1, 28723220), (2, 14361610), (4, 7180805), (5, 5744644), (10, 2872322), (20, 1436161), (151, 190220), (302, 95110), (604, 47555), (755, 38044), (1510, 19022), (3020, 9511)]