16616440

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{853}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 37507680

約数和(自身を除く): 20891240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 853, 974, 1706, 1948, 2435, 3412, 3896, 4265, 4870, 6824, 8530, 9740, 17060, 19480, 34120, 415411, 830822, 1661644, 2077055, 3323288, 4154110, 8308220, 16616440]

約数ペア:

[(1, 16616440), (2, 8308220), (4, 4154110), (5, 3323288), (8, 2077055), (10, 1661644), (20, 830822), (40, 415411), (487, 34120), (853, 19480), (974, 17060), (1706, 9740), (1948, 8530), (2435, 6824), (3412, 4870), (3896, 4265)]