12159980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{86857}}^1$

素因数の和:86873

約数の個数: 24

約数和(自身を含む): 29184288

約数和(自身を除く): 17024308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 86857, 173714, 347428, 434285, 607999, 868570, 1215998, 1737140, 2431996, 3039995, 6079990, 12159980]

約数ペア:

[(1, 12159980), (2, 6079990), (4, 3039995), (5, 2431996), (7, 1737140), (10, 1215998), (14, 868570), (20, 607999), (28, 434285), (35, 347428), (70, 173714), (140, 86857)]