55278020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3109}}^1$

素因数の和:3252

約数の個数: 48

約数和(自身を含む): 133754880

約数和(自身を除く): 78476860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3109, 3556, 4445, 6218, 8890, 12436, 15545, 17780, 21763, 31090, 43526, 62180, 87052, 108815, 217630, 394843, 435260, 789686, 1579372, 1974215, 2763901, 3948430, 5527802, 7896860, 11055604, 13819505, 27639010, 55278020]

約数ペア:

[(1, 55278020), (2, 27639010), (4, 13819505), (5, 11055604), (7, 7896860), (10, 5527802), (14, 3948430), (20, 2763901), (28, 1974215), (35, 1579372), (70, 789686), (127, 435260), (140, 394843), (254, 217630), (508, 108815), (635, 87052), (889, 62180), (1270, 43526), (1778, 31090), (2540, 21763), (3109, 17780), (3556, 15545), (4445, 12436), (6218, 8890)]