28454660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109441}}^1$

素因数の和:109463

約数の個数: 24

約数和(自身を含む): 64351896

約数和(自身を除く): 35897236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109441, 218882, 437764, 547205, 1094410, 1422733, 2188820, 2845466, 5690932, 7113665, 14227330, 28454660]

約数ペア:

[(1, 28454660), (2, 14227330), (4, 7113665), (5, 5690932), (10, 2845466), (13, 2188820), (20, 1422733), (26, 1094410), (52, 547205), (65, 437764), (130, 218882), (260, 109441)]