27961840

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1811}}^1$

素因数の和:2017

約数の個数: 40

約数和(自身を含む): 65384208

約数和(自身を除く): 37422368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1811, 1930, 3088, 3622, 3860, 7244, 7720, 9055, 14488, 15440, 18110, 28976, 36220, 72440, 144880, 349523, 699046, 1398092, 1747615, 2796184, 3495230, 5592368, 6990460, 13980920, 27961840]

約数ペア:

[(1, 27961840), (2, 13980920), (4, 6990460), (5, 5592368), (8, 3495230), (10, 2796184), (16, 1747615), (20, 1398092), (40, 699046), (80, 349523), (193, 144880), (386, 72440), (772, 36220), (965, 28976), (1544, 18110), (1811, 15440), (1930, 14488), (3088, 9055), (3622, 7720), (3860, 7244)]