102817780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{395453}}^1$

素因数の和:395475

約数の個数: 24

約数和(自身を含む): 232526952

約数和(自身を除く): 129709172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 395453, 790906, 1581812, 1977265, 3954530, 5140889, 7909060, 10281778, 20563556, 25704445, 51408890, 102817780]

約数ペア:

[(1, 102817780), (2, 51408890), (4, 25704445), (5, 20563556), (10, 10281778), (13, 7909060), (20, 5140889), (26, 3954530), (52, 1977265), (65, 1581812), (130, 790906), (260, 395453)]