26399528060

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2040149}}^1$

素因数の和:2040805

約数の個数: 24

約数和(自身を含む): 55524722400

約数和(自身を除く): 29125194340

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 2040149, 4080298, 8160596, 10200745, 20401490, 40802980, 1319976403, 2639952806, 5279905612, 6599882015, 13199764030, 26399528060]

約数ペア:

[(1, 26399528060), (2, 13199764030), (4, 6599882015), (5, 5279905612), (10, 2639952806), (20, 1319976403), (647, 40802980), (1294, 20401490), (2588, 10200745), (3235, 8160596), (6470, 4080298), (12940, 2040149)]