64759840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3187}}^1$

素因数の和:3329

約数の個数: 48

約数和(自身を含む): 154248192

約数和(自身を除く): 89488352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3187, 4064, 5080, 6374, 10160, 12748, 15935, 20320, 25496, 31870, 50992, 63740, 101984, 127480, 254960, 404749, 509920, 809498, 1618996, 2023745, 3237992, 4047490, 6475984, 8094980, 12951968, 16189960, 32379920, 64759840]

約数ペア:

[(1, 64759840), (2, 32379920), (4, 16189960), (5, 12951968), (8, 8094980), (10, 6475984), (16, 4047490), (20, 3237992), (32, 2023745), (40, 1618996), (80, 809498), (127, 509920), (160, 404749), (254, 254960), (508, 127480), (635, 101984), (1016, 63740), (1270, 50992), (2032, 31870), (2540, 25496), (3187, 20320), (4064, 15935), (5080, 12748), (6374, 10160)]