25468280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3299}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 57618000

約数和(自身を除く): 32149720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3299, 3860, 6598, 7720, 13196, 16495, 26392, 32990, 65980, 131960, 636707, 1273414, 2546828, 3183535, 5093656, 6367070, 12734140, 25468280]

約数ペア:

[(1, 25468280), (2, 12734140), (4, 6367070), (5, 5093656), (8, 3183535), (10, 2546828), (20, 1273414), (40, 636707), (193, 131960), (386, 65980), (772, 32990), (965, 26392), (1544, 16495), (1930, 13196), (3299, 7720), (3860, 6598)]