55581280

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3187}}^1$

素因数の和:3311

約数の個数: 48

約数和(自身を含む): 132557040

約数和(自身を除く): 76975760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3187, 3488, 4360, 6374, 8720, 12748, 15935, 17440, 25496, 31870, 50992, 63740, 101984, 127480, 254960, 347383, 509920, 694766, 1389532, 1736915, 2779064, 3473830, 5558128, 6947660, 11116256, 13895320, 27790640, 55581280]

約数ペア:

[(1, 55581280), (2, 27790640), (4, 13895320), (5, 11116256), (8, 6947660), (10, 5558128), (16, 3473830), (20, 2779064), (32, 1736915), (40, 1389532), (80, 694766), (109, 509920), (160, 347383), (218, 254960), (436, 127480), (545, 101984), (872, 63740), (1090, 50992), (1744, 31870), (2180, 25496), (3187, 17440), (3488, 15935), (4360, 12748), (6374, 8720)]