11345720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 25822800

約数和(自身を除く): 14477080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3187, 3560, 6374, 12748, 15935, 25496, 31870, 63740, 127480, 283643, 567286, 1134572, 1418215, 2269144, 2836430, 5672860, 11345720]

約数ペア:

[(1, 11345720), (2, 5672860), (4, 2836430), (5, 2269144), (8, 1418215), (10, 1134572), (20, 567286), (40, 283643), (89, 127480), (178, 63740), (356, 31870), (445, 25496), (712, 15935), (890, 12748), (1780, 6374), (3187, 3560)]