77806040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149627}}^1$

素因数の和:149651

約数の個数: 32

約数和(自身を含む): 188531280

約数和(自身を除く): 110725240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149627, 299254, 598508, 748135, 1197016, 1496270, 1945151, 2992540, 3890302, 5985080, 7780604, 9725755, 15561208, 19451510, 38903020, 77806040]

約数ペア:

[(1, 77806040), (2, 38903020), (4, 19451510), (5, 15561208), (8, 9725755), (10, 7780604), (13, 5985080), (20, 3890302), (26, 2992540), (40, 1945151), (52, 1496270), (65, 1197016), (104, 748135), (130, 598508), (260, 299254), (520, 149627)]