11965160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 27232200

約数和(自身を除く): 15267040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3361, 3560, 6722, 13444, 16805, 26888, 33610, 67220, 134440, 299129, 598258, 1196516, 1495645, 2393032, 2991290, 5982580, 11965160]

約数ペア:

[(1, 11965160), (2, 5982580), (4, 2991290), (5, 2393032), (8, 1495645), (10, 1196516), (20, 598258), (40, 299129), (89, 134440), (178, 67220), (356, 33610), (445, 26888), (712, 16805), (890, 13444), (1780, 6722), (3361, 3560)]