15764240

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1021}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 36877848

約数和(自身を除く): 21113608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1021, 1544, 1930, 2042, 3088, 3860, 4084, 5105, 7720, 8168, 10210, 15440, 16336, 20420, 40840, 81680, 197053, 394106, 788212, 985265, 1576424, 1970530, 3152848, 3941060, 7882120, 15764240]

約数ペア:

[(1, 15764240), (2, 7882120), (4, 3941060), (5, 3152848), (8, 1970530), (10, 1576424), (16, 985265), (20, 788212), (40, 394106), (80, 197053), (193, 81680), (386, 40840), (772, 20420), (965, 16336), (1021, 15440), (1544, 10210), (1930, 8168), (2042, 7720), (3088, 5105), (3860, 4084)]