137263240

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3361}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 309236760

約数和(自身を除く): 171973520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 3361, 4084, 5105, 6722, 8168, 10210, 13444, 16805, 20420, 26888, 33610, 40840, 67220, 134440, 3431581, 6863162, 13726324, 17157905, 27452648, 34315810, 68631620, 137263240]

約数ペア:

[(1, 137263240), (2, 68631620), (4, 34315810), (5, 27452648), (8, 17157905), (10, 13726324), (20, 6863162), (40, 3431581), (1021, 134440), (2042, 67220), (3361, 40840), (4084, 33610), (5105, 26888), (6722, 20420), (8168, 16805), (10210, 13444)]