80671812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{39779}}^1$

素因数の和:39812

約数の個数: 36

約数和(自身を含む): 203832720

約数和(自身を除く): 123160908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 39779, 79558, 119337, 159116, 238674, 477348, 517127, 1034254, 1551381, 2068508, 3102762, 6205524, 6722651, 13445302, 20167953, 26890604, 40335906, 80671812]

約数ペア:

[(1, 80671812), (2, 40335906), (3, 26890604), (4, 20167953), (6, 13445302), (12, 6722651), (13, 6205524), (26, 3102762), (39, 2068508), (52, 1551381), (78, 1034254), (156, 517127), (169, 477348), (338, 238674), (507, 159116), (676, 119337), (1014, 79558), (2028, 39779)]