12664280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2311}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 28715040

約数和(自身を除く): 16050760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2311, 2740, 4622, 5480, 9244, 11555, 18488, 23110, 46220, 92440, 316607, 633214, 1266428, 1583035, 2532856, 3166070, 6332140, 12664280]

約数ペア:

[(1, 12664280), (2, 6332140), (4, 3166070), (5, 2532856), (8, 1583035), (10, 1266428), (20, 633214), (40, 316607), (137, 92440), (274, 46220), (548, 23110), (685, 18488), (1096, 11555), (1370, 9244), (2311, 5480), (2740, 4622)]