31891220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14629}}^1$

素因数の和:14747

約数の個数: 24

約数和(自身を含む): 67590600

約数和(自身を除く): 35699380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14629, 29258, 58516, 73145, 146290, 292580, 1594561, 3189122, 6378244, 7972805, 15945610, 31891220]

約数ペア:

[(1, 31891220), (2, 15945610), (4, 7972805), (5, 6378244), (10, 3189122), (20, 1594561), (109, 292580), (218, 146290), (436, 73145), (545, 58516), (1090, 29258), (2180, 14629)]