2186804920

素因数分解:

$2^3\times 5^1\times {\mathrm{2417}}^1\times {\mathrm{22619}}^1$

素因数の和:25047

約数の個数: 32

約数和(自身を含む): 4922564400

約数和(自身を除く): 2735759480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2417, 4834, 9668, 12085, 19336, 22619, 24170, 45238, 48340, 90476, 96680, 113095, 180952, 226190, 452380, 904760, 54670123, 109340246, 218680492, 273350615, 437360984, 546701230, 1093402460, 2186804920]

約数ペア:

[(1, 2186804920), (2, 1093402460), (4, 546701230), (5, 437360984), (8, 273350615), (10, 218680492), (20, 109340246), (40, 54670123), (2417, 904760), (4834, 452380), (9668, 226190), (12085, 180952), (19336, 113095), (22619, 96680), (24170, 90476), (45238, 48340)]