26280820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5113}}^1$

素因数の和:5379

約数の個数: 24

約数和(自身を含む): 55415304

約数和(自身を除く): 29134484

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5113, 5140, 10226, 20452, 25565, 51130, 102260, 1314041, 2628082, 5256164, 6570205, 13140410, 26280820]

約数ペア:

[(1, 26280820), (2, 13140410), (4, 6570205), (5, 5256164), (10, 2628082), (20, 1314041), (257, 102260), (514, 51130), (1028, 25565), (1285, 20452), (2570, 10226), (5113, 5140)]