12878060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49531}}^1$

素因数の和:49553

約数の個数: 24

約数和(自身を含む): 29124816

約数和(自身を除く): 16246756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49531, 99062, 198124, 247655, 495310, 643903, 990620, 1287806, 2575612, 3219515, 6439030, 12878060]

約数ペア:

[(1, 12878060), (2, 6439030), (4, 3219515), (5, 2575612), (10, 1287806), (13, 990620), (20, 643903), (26, 495310), (52, 247655), (65, 198124), (130, 99062), (260, 49531)]