28452580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109433}}^1$

素因数の和:109455

約数の個数: 24

約数和(自身を含む): 64347192

約数和(自身を除く): 35894612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109433, 218866, 437732, 547165, 1094330, 1422629, 2188660, 2845258, 5690516, 7113145, 14226290, 28452580]

約数ペア:

[(1, 28452580), (2, 14226290), (4, 7113145), (5, 5690516), (10, 2845258), (13, 2188660), (20, 1422629), (26, 1094330), (52, 547165), (65, 437732), (130, 218866), (260, 109433)]