2005322560

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{12763}}^1$

素因数の和:13271

約数の個数: 56

約数和(自身を含む): 4785274656

約数和(自身を除く): 2779952096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 12763, 15712, 19640, 25526, 31424, 39280, 51052, 63815, 78560, 102104, 127630, 157120, 204208, 255260, 408416, 510520, 816832, 1021040, 2042080, 4084160, 6266633, 12533266, 25066532, 31333165, 50133064, 62666330, 100266128, 125332660, 200532256, 250665320, 401064512, 501330640, 1002661280, 2005322560]

約数ペア:

[(1, 2005322560), (2, 1002661280), (4, 501330640), (5, 401064512), (8, 250665320), (10, 200532256), (16, 125332660), (20, 100266128), (32, 62666330), (40, 50133064), (64, 31333165), (80, 25066532), (160, 12533266), (320, 6266633), (491, 4084160), (982, 2042080), (1964, 1021040), (2455, 816832), (3928, 510520), (4910, 408416), (7856, 255260), (9820, 204208), (12763, 157120), (15712, 127630), (19640, 102104), (25526, 78560), (31424, 63815), (39280, 51052)]