80811236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 83694364

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 92, 94, 188, 253, 506, 517, 1012, 1034, 1081, 1699, 2068, 2162, 3398, 4324, 6796, 11891, 18689, 23782, 37378, 39077, 47564, 74756, 78154, 79853, 156308, 159706, 319412, 429847, 859694, 878383, 1719388, 1756766, 1836619, 3513532, 3673238, 7346476, 20202809, 40405618, 80811236]

約数ペア:

[(1, 80811236), (2, 40405618), (4, 20202809), (11, 7346476), (22, 3673238), (23, 3513532), (44, 1836619), (46, 1756766), (47, 1719388), (92, 878383), (94, 859694), (188, 429847), (253, 319412), (506, 159706), (517, 156308), (1012, 79853), (1034, 78154), (1081, 74756), (1699, 47564), (2068, 39077), (2162, 37378), (3398, 23782), (4324, 18689), (6796, 11891)]