80881684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 159042240

約数和(自身を除く): 78160556

約数列:

[1, 2, 4, 13, 26, 41, 52, 59, 82, 118, 164, 236, 533, 643, 767, 1066, 1286, 1534, 2132, 2419, 2572, 3068, 4838, 8359, 9676, 16718, 26363, 31447, 33436, 37937, 52726, 62894, 75874, 105452, 125788, 151748, 342719, 493181, 685438, 986362, 1370876, 1555417, 1972724, 3110834, 6221668, 20220421, 40440842, 80881684]

約数ペア:

[(1, 80881684), (2, 40440842), (4, 20220421), (13, 6221668), (26, 3110834), (41, 1972724), (52, 1555417), (59, 1370876), (82, 986362), (118, 685438), (164, 493181), (236, 342719), (533, 151748), (643, 125788), (767, 105452), (1066, 75874), (1286, 62894), (1534, 52726), (2132, 37937), (2419, 33436), (2572, 31447), (3068, 26363), (4838, 16718), (8359, 9676)]