28305681760

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{256021}}^1$

素因数の和:256727

約数の個数: 48

約数和(自身を含む): 66969210672

約数和(自身を除く): 38663528912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 22112, 27640, 55280, 110560, 256021, 512042, 1024084, 1280105, 2048168, 2560210, 4096336, 5120420, 8192672, 10240840, 20481680, 40963360, 176910511, 353821022, 707642044, 884552555, 1415284088, 1769105110, 2830568176, 3538210220, 5661136352, 7076420440, 14152840880, 28305681760]

約数ペア:

[(1, 28305681760), (2, 14152840880), (4, 7076420440), (5, 5661136352), (8, 3538210220), (10, 2830568176), (16, 1769105110), (20, 1415284088), (32, 884552555), (40, 707642044), (80, 353821022), (160, 176910511), (691, 40963360), (1382, 20481680), (2764, 10240840), (3455, 8192672), (5528, 5120420), (6910, 4096336), (11056, 2560210), (13820, 2048168), (22112, 1280105), (27640, 1024084), (55280, 512042), (110560, 256021)]