165943280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16333}}^1$

素因数の和:16473

約数の個数: 40

約数和(自身を含む): 388879872

約数和(自身を除く): 222936592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 16333, 32666, 65332, 81665, 130664, 163330, 261328, 326660, 653320, 1306640, 2074291, 4148582, 8297164, 10371455, 16594328, 20742910, 33188656, 41485820, 82971640, 165943280]

約数ペア:

[(1, 165943280), (2, 82971640), (4, 41485820), (5, 33188656), (8, 20742910), (10, 16594328), (16, 10371455), (20, 8297164), (40, 4148582), (80, 2074291), (127, 1306640), (254, 653320), (508, 326660), (635, 261328), (1016, 163330), (1270, 130664), (2032, 81665), (2540, 65332), (5080, 32666), (10160, 16333)]