12769840

素因数分解:

$2^4\times 5^1\times {\mathrm{159623}}^1$

素因数の和:159636

約数の個数: 20

約数和(自身を含む): 29690064

約数和(自身を除く): 16920224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159623, 319246, 638492, 798115, 1276984, 1596230, 2553968, 3192460, 6384920, 12769840]

約数ペア:

[(1, 12769840), (2, 6384920), (4, 3192460), (5, 2553968), (8, 1596230), (10, 1276984), (16, 798115), (20, 638492), (40, 319246), (80, 159623)]