12405640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23857}}^1$

素因数の和:23881

約数の個数: 32

約数和(自身を含む): 30061080

約数和(自身を除く): 17655440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23857, 47714, 95428, 119285, 190856, 238570, 310141, 477140, 620282, 954280, 1240564, 1550705, 2481128, 3101410, 6202820, 12405640]

約数ペア:

[(1, 12405640), (2, 6202820), (4, 3101410), (5, 2481128), (8, 1550705), (10, 1240564), (13, 954280), (20, 620282), (26, 477140), (40, 310141), (52, 238570), (65, 190856), (104, 119285), (130, 95428), (260, 47714), (520, 23857)]