42186440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24527}}^1$

素因数の和:24581

約数の個数: 32

約数和(自身を含む): 97130880

約数和(自身を除く): 54944440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 24527, 49054, 98108, 122635, 196216, 245270, 490540, 981080, 1054661, 2109322, 4218644, 5273305, 8437288, 10546610, 21093220, 42186440]

約数ペア:

[(1, 42186440), (2, 21093220), (4, 10546610), (5, 8437288), (8, 5273305), (10, 4218644), (20, 2109322), (40, 1054661), (43, 981080), (86, 490540), (172, 245270), (215, 196216), (344, 122635), (430, 98108), (860, 49054), (1720, 24527)]