201808520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{26141}}^1$

素因数の和:26345

約数の個数: 32

約数和(自身を含む): 456439320

約数和(自身を除く): 254630800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 26141, 52282, 104564, 130705, 209128, 261410, 522820, 1045640, 5045213, 10090426, 20180852, 25226065, 40361704, 50452130, 100904260, 201808520]

約数ペア:

[(1, 201808520), (2, 100904260), (4, 50452130), (5, 40361704), (8, 25226065), (10, 20180852), (20, 10090426), (40, 5045213), (193, 1045640), (386, 522820), (772, 261410), (965, 209128), (1544, 130705), (1930, 104564), (3860, 52282), (7720, 26141)]