31532920

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1061}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 71111520

約数和(自身を除く): 39578600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1061, 1486, 2122, 2972, 3715, 4244, 5305, 5944, 7430, 8488, 10610, 14860, 21220, 29720, 42440, 788323, 1576646, 3153292, 3941615, 6306584, 7883230, 15766460, 31532920]

約数ペア:

[(1, 31532920), (2, 15766460), (4, 7883230), (5, 6306584), (8, 3941615), (10, 3153292), (20, 1576646), (40, 788323), (743, 42440), (1061, 29720), (1486, 21220), (2122, 14860), (2972, 10610), (3715, 8488), (4244, 7430), (5305, 5944)]