27898520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4127}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 67988160

約数和(自身を除く): 40089640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4127, 6760, 8254, 16508, 20635, 33016, 41270, 53651, 82540, 107302, 165080, 214604, 268255, 429208, 536510, 697463, 1073020, 1394926, 2146040, 2789852, 3487315, 5579704, 6974630, 13949260, 27898520]

約数ペア:

[(1, 27898520), (2, 13949260), (4, 6974630), (5, 5579704), (8, 3487315), (10, 2789852), (13, 2146040), (20, 1394926), (26, 1073020), (40, 697463), (52, 536510), (65, 429208), (104, 268255), (130, 214604), (169, 165080), (260, 107302), (338, 82540), (520, 53651), (676, 41270), (845, 33016), (1352, 20635), (1690, 16508), (3380, 8254), (4127, 6760)]