79646680

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8929}}^1$

素因数の和:9163

約数の個数: 32

約数和(自身を含む): 180028800

約数和(自身を除く): 100382120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 8929, 17858, 35716, 44645, 71432, 89290, 178580, 357160, 1991167, 3982334, 7964668, 9955835, 15929336, 19911670, 39823340, 79646680]

約数ペア:

[(1, 79646680), (2, 39823340), (4, 19911670), (5, 15929336), (8, 9955835), (10, 7964668), (20, 3982334), (40, 1991167), (223, 357160), (446, 178580), (892, 89290), (1115, 71432), (1784, 44645), (2230, 35716), (4460, 17858), (8920, 8929)]