78766760

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4111}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 177638400

約数和(自身を除く): 98871640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4111, 4790, 8222, 9580, 16444, 19160, 20555, 32888, 41110, 82220, 164440, 1969169, 3938338, 7876676, 9845845, 15753352, 19691690, 39383380, 78766760]

約数ペア:

[(1, 78766760), (2, 39383380), (4, 19691690), (5, 15753352), (8, 9845845), (10, 7876676), (20, 3938338), (40, 1969169), (479, 164440), (958, 82220), (1916, 41110), (2395, 32888), (3832, 20555), (4111, 19160), (4790, 16444), (8222, 9580)]