17982440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64223}}^1$

素因数の和:64241

約数の個数: 32

約数和(自身を含む): 46241280

約数和(自身を除く): 28258840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64223, 128446, 256892, 321115, 449561, 513784, 642230, 899122, 1284460, 1798244, 2247805, 2568920, 3596488, 4495610, 8991220, 17982440]

約数ペア:

[(1, 17982440), (2, 8991220), (4, 4495610), (5, 3596488), (7, 2568920), (8, 2247805), (10, 1798244), (14, 1284460), (20, 899122), (28, 642230), (35, 513784), (40, 449561), (56, 321115), (70, 256892), (140, 128446), (280, 64223)]