80940272

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8707}}^1$

素因数の和:8805

約数の個数: 40

約数和(自身を含む): 181405056

約数和(自身を除く): 100464784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 8707, 9296, 17414, 34828, 60949, 69656, 121898, 139312, 243796, 487592, 722681, 975184, 1445362, 2890724, 5058767, 5781448, 10117534, 11562896, 20235068, 40470136, 80940272]

約数ペア:

[(1, 80940272), (2, 40470136), (4, 20235068), (7, 11562896), (8, 10117534), (14, 5781448), (16, 5058767), (28, 2890724), (56, 1445362), (83, 975184), (112, 722681), (166, 487592), (332, 243796), (581, 139312), (664, 121898), (1162, 69656), (1328, 60949), (2324, 34828), (4648, 17414), (8707, 9296)]