40920568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 83003760

約数和(自身を除く): 42083192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 1531, 2056, 3062, 3341, 6124, 6682, 12248, 13364, 19903, 26728, 39806, 79612, 159224, 393467, 786934, 1573868, 3147736, 5115071, 10230142, 20460284, 40920568]

約数ペア:

[(1, 40920568), (2, 20460284), (4, 10230142), (8, 5115071), (13, 3147736), (26, 1573868), (52, 786934), (104, 393467), (257, 159224), (514, 79612), (1028, 39806), (1531, 26728), (2056, 19903), (3062, 13364), (3341, 12248), (6124, 6682)]