165655760

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10729}}^1$

素因数の和:10935

約数の個数: 40

約数和(自身を含む): 387181320

約数和(自身を除く): 221525560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 10729, 15440, 21458, 42916, 53645, 85832, 107290, 171664, 214580, 429160, 858320, 2070697, 4141394, 8282788, 10353485, 16565576, 20706970, 33131152, 41413940, 82827880, 165655760]

約数ペア:

[(1, 165655760), (2, 82827880), (4, 41413940), (5, 33131152), (8, 20706970), (10, 16565576), (16, 10353485), (20, 8282788), (40, 4141394), (80, 2070697), (193, 858320), (386, 429160), (772, 214580), (965, 171664), (1544, 107290), (1930, 85832), (3088, 53645), (3860, 42916), (7720, 21458), (10729, 15440)]