164035640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87253}}^1$

素因数の和:87311

約数の個数: 32

約数和(自身を含む): 376937280

約数和(自身を除く): 212901640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 87253, 174506, 349012, 436265, 698024, 872530, 1745060, 3490120, 4100891, 8201782, 16403564, 20504455, 32807128, 41008910, 82017820, 164035640]

約数ペア:

[(1, 164035640), (2, 82017820), (4, 41008910), (5, 32807128), (8, 20504455), (10, 16403564), (20, 8201782), (40, 4100891), (47, 3490120), (94, 1745060), (188, 872530), (235, 698024), (376, 436265), (470, 349012), (940, 174506), (1880, 87253)]