71811440

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4651}}^1$

素因数の和:4857

約数の個数: 40

約数和(自身を含む): 167862768

約数和(自身を除く): 96051328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4651, 7720, 9302, 15440, 18604, 23255, 37208, 46510, 74416, 93020, 186040, 372080, 897643, 1795286, 3590572, 4488215, 7181144, 8976430, 14362288, 17952860, 35905720, 71811440]

約数ペア:

[(1, 71811440), (2, 35905720), (4, 17952860), (5, 14362288), (8, 8976430), (10, 7181144), (16, 4488215), (20, 3590572), (40, 1795286), (80, 897643), (193, 372080), (386, 186040), (772, 93020), (965, 74416), (1544, 46510), (1930, 37208), (3088, 23255), (3860, 18604), (4651, 15440), (7720, 9302)]