80521144

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 167196960

約数和(自身を除く): 86675816

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 193, 242, 386, 431, 484, 772, 862, 968, 1544, 1724, 2123, 3448, 4246, 4741, 8492, 9482, 16984, 18964, 23353, 37928, 46706, 52151, 83183, 93412, 104302, 166366, 186824, 208604, 332732, 417208, 665464, 915013, 1830026, 3660052, 7320104, 10065143, 20130286, 40260572, 80521144]

約数ペア:

[(1, 80521144), (2, 40260572), (4, 20130286), (8, 10065143), (11, 7320104), (22, 3660052), (44, 1830026), (88, 915013), (121, 665464), (193, 417208), (242, 332732), (386, 208604), (431, 186824), (484, 166366), (772, 104302), (862, 93412), (968, 83183), (1544, 52151), (1724, 46706), (2123, 37928), (3448, 23353), (4246, 18964), (4741, 16984), (8492, 9482)]