28374580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109133}}^1$

素因数の和:109155

約数の個数: 24

約数和(自身を含む): 64170792

約数和(自身を除く): 35796212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109133, 218266, 436532, 545665, 1091330, 1418729, 2182660, 2837458, 5674916, 7093645, 14187290, 28374580]

約数ペア:

[(1, 28374580), (2, 14187290), (4, 7093645), (5, 5674916), (10, 2837458), (13, 2182660), (20, 1418729), (26, 1091330), (52, 545665), (65, 436532), (130, 218266), (260, 109133)]