129519680

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3187}}^1$

素因数の和:3331

約数の個数: 56

約数和(自身を含む): 310944768

約数和(自身を除く): 181425088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 3187, 4064, 5080, 6374, 8128, 10160, 12748, 15935, 20320, 25496, 31870, 40640, 50992, 63740, 101984, 127480, 203968, 254960, 404749, 509920, 809498, 1019840, 1618996, 2023745, 3237992, 4047490, 6475984, 8094980, 12951968, 16189960, 25903936, 32379920, 64759840, 129519680]

約数ペア:

[(1, 129519680), (2, 64759840), (4, 32379920), (5, 25903936), (8, 16189960), (10, 12951968), (16, 8094980), (20, 6475984), (32, 4047490), (40, 3237992), (64, 2023745), (80, 1618996), (127, 1019840), (160, 809498), (254, 509920), (320, 404749), (508, 254960), (635, 203968), (1016, 127480), (1270, 101984), (2032, 63740), (2540, 50992), (3187, 40640), (4064, 31870), (5080, 25496), (6374, 20320), (8128, 15935), (10160, 12748)]