266979661460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{325584953}}^1$

素因数の和:325585003

約数の個数: 24

約数和(自身を含む): 574331858856

約数和(自身を除く): 307352197396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 325584953, 651169906, 1302339812, 1627924765, 3255849530, 6511699060, 13348983073, 26697966146, 53395932292, 66744915365, 133489830730, 266979661460]

約数ペア:

[(1, 266979661460), (2, 133489830730), (4, 66744915365), (5, 53395932292), (10, 26697966146), (20, 13348983073), (41, 6511699060), (82, 3255849530), (164, 1627924765), (205, 1302339812), (410, 651169906), (820, 325584953)]