42442040

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2161}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 95733360

約数和(自身を除く): 53291320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2161, 2455, 3928, 4322, 4910, 8644, 9820, 10805, 17288, 19640, 21610, 43220, 86440, 1061051, 2122102, 4244204, 5305255, 8488408, 10610510, 21221020, 42442040]

約数ペア:

[(1, 42442040), (2, 21221020), (4, 10610510), (5, 8488408), (8, 5305255), (10, 4244204), (20, 2122102), (40, 1061051), (491, 86440), (982, 43220), (1964, 21610), (2161, 19640), (2455, 17288), (3928, 10805), (4322, 9820), (4910, 8644)]