2080679536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{15461}}^1$

素因数の和:16129

約数の個数: 40

約数和(自身を含む): 4348409184

約数和(自身を除く): 2267729648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 647, 1294, 2588, 5176, 8411, 10352, 15461, 16822, 30922, 33644, 61844, 67288, 123688, 134576, 200993, 247376, 401986, 803972, 1607944, 3215888, 10003267, 20006534, 40013068, 80026136, 130042471, 160052272, 260084942, 520169884, 1040339768, 2080679536]

約数ペア:

[(1, 2080679536), (2, 1040339768), (4, 520169884), (8, 260084942), (13, 160052272), (16, 130042471), (26, 80026136), (52, 40013068), (104, 20006534), (208, 10003267), (647, 3215888), (1294, 1607944), (2588, 803972), (5176, 401986), (8411, 247376), (10352, 200993), (15461, 134576), (16822, 123688), (30922, 67288), (33644, 61844)]