54778720

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1979}}^1$

素因数の和:2167

約数の個数: 48

約数和(自身を含む): 130228560

約数和(自身を除く): 75449840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 1979, 2768, 3460, 3958, 5536, 6920, 7916, 9895, 13840, 15832, 19790, 27680, 31664, 39580, 63328, 79160, 158320, 316640, 342367, 684734, 1369468, 1711835, 2738936, 3423670, 5477872, 6847340, 10955744, 13694680, 27389360, 54778720]

約数ペア:

[(1, 54778720), (2, 27389360), (4, 13694680), (5, 10955744), (8, 6847340), (10, 5477872), (16, 3423670), (20, 2738936), (32, 1711835), (40, 1369468), (80, 684734), (160, 342367), (173, 316640), (346, 158320), (692, 79160), (865, 63328), (1384, 39580), (1730, 31664), (1979, 27680), (2768, 19790), (3460, 15832), (3958, 13840), (5536, 9895), (6920, 7916)]