25742440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2447}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 58164480

約数和(自身を除く): 32422040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2447, 2630, 4894, 5260, 9788, 10520, 12235, 19576, 24470, 48940, 97880, 643561, 1287122, 2574244, 3217805, 5148488, 6435610, 12871220, 25742440]

約数ペア:

[(1, 25742440), (2, 12871220), (4, 6435610), (5, 5148488), (8, 3217805), (10, 2574244), (20, 1287122), (40, 643561), (263, 97880), (526, 48940), (1052, 24470), (1315, 19576), (2104, 12235), (2447, 10520), (2630, 9788), (4894, 5260)]