13449820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2557}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 28363104

約数和(自身を除く): 14913284

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2557, 2630, 5114, 5260, 10228, 12785, 25570, 51140, 672491, 1344982, 2689964, 3362455, 6724910, 13449820]

約数ペア:

[(1, 13449820), (2, 6724910), (4, 3362455), (5, 2689964), (10, 1344982), (20, 672491), (263, 51140), (526, 25570), (1052, 12785), (1315, 10228), (2557, 5260), (2630, 5114)]