16438840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37361}}^1$

素因数の和:37383

約数の個数: 32

約数和(自身を含む): 40350960

約数和(自身を除く): 23912120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 37361, 74722, 149444, 186805, 298888, 373610, 410971, 747220, 821942, 1494440, 1643884, 2054855, 3287768, 4109710, 8219420, 16438840]

約数ペア:

[(1, 16438840), (2, 8219420), (4, 4109710), (5, 3287768), (8, 2054855), (10, 1643884), (11, 1494440), (20, 821942), (22, 747220), (40, 410971), (44, 373610), (55, 298888), (88, 186805), (110, 149444), (220, 74722), (440, 37361)]