17936680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10937}}^1$

素因数の和:10989

約数の個数: 32

約数和(自身を含む): 41345640

約数和(自身を除く): 23408960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 10937, 21874, 43748, 54685, 87496, 109370, 218740, 437480, 448417, 896834, 1793668, 2242085, 3587336, 4484170, 8968340, 17936680]

約数ペア:

[(1, 17936680), (2, 8968340), (4, 4484170), (5, 3587336), (8, 2242085), (10, 1793668), (20, 896834), (40, 448417), (41, 437480), (82, 218740), (164, 109370), (205, 87496), (328, 54685), (410, 43748), (820, 21874), (1640, 10937)]