13888340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16937}}^1$

素因数の和:16987

約数の個数: 24

約数和(自身を含む): 29878632

約数和(自身を除く): 15990292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16937, 33874, 67748, 84685, 169370, 338740, 694417, 1388834, 2777668, 3472085, 6944170, 13888340]

約数ペア:

[(1, 13888340), (2, 6944170), (4, 3472085), (5, 2777668), (10, 1388834), (20, 694417), (41, 338740), (82, 169370), (164, 84685), (205, 67748), (410, 33874), (820, 16937)]