28384460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109171}}^1$

素因数の和:109193

約数の個数: 24

約数和(自身を含む): 64193136

約数和(自身を除く): 35808676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109171, 218342, 436684, 545855, 1091710, 1419223, 2183420, 2838446, 5676892, 7096115, 14192230, 28384460]

約数ペア:

[(1, 28384460), (2, 14192230), (4, 7096115), (5, 5676892), (10, 2838446), (13, 2183420), (20, 1419223), (26, 1091710), (52, 545855), (65, 436684), (130, 218342), (260, 109171)]