55173820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212207}}^1$

素因数の和:212229

約数の個数: 24

約数和(自身を含む): 124778304

約数和(自身を除く): 69604484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212207, 424414, 848828, 1061035, 2122070, 2758691, 4244140, 5517382, 11034764, 13793455, 27586910, 55173820]

約数ペア:

[(1, 55173820), (2, 27586910), (4, 13793455), (5, 11034764), (10, 5517382), (13, 4244140), (20, 2758691), (26, 2122070), (52, 1061035), (65, 848828), (130, 424414), (260, 212207)]