40576840

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2083}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 91529280

約数和(自身を除く): 50952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2083, 2435, 3896, 4166, 4870, 8332, 9740, 10415, 16664, 19480, 20830, 41660, 83320, 1014421, 2028842, 4057684, 5072105, 8115368, 10144210, 20288420, 40576840]

約数ペア:

[(1, 40576840), (2, 20288420), (4, 10144210), (5, 8115368), (8, 5072105), (10, 4057684), (20, 2028842), (40, 1014421), (487, 83320), (974, 41660), (1948, 20830), (2083, 19480), (2435, 16664), (3896, 10415), (4166, 9740), (4870, 8332)]