25720828

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{2503}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 51602432

約数和(自身を除く): 25881604

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2503, 2569, 5006, 5138, 10012, 10276, 17521, 35042, 70084, 918601, 1837202, 3674404, 6430207, 12860414, 25720828]

約数ペア:

[(1, 25720828), (2, 12860414), (4, 6430207), (7, 3674404), (14, 1837202), (28, 918601), (367, 70084), (734, 35042), (1468, 17521), (2503, 10276), (2569, 10012), (5006, 5138)]