85520680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43633}}^1$

素因数の和:43658

約数の個数: 48

約数和(自身を含む): 223842420

約数和(自身を除く): 138321740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43633, 87266, 174532, 218165, 305431, 349064, 436330, 610862, 872660, 1221724, 1527155, 1745320, 2138017, 2443448, 3054310, 4276034, 6108620, 8552068, 10690085, 12217240, 17104136, 21380170, 42760340, 85520680]

約数ペア:

[(1, 85520680), (2, 42760340), (4, 21380170), (5, 17104136), (7, 12217240), (8, 10690085), (10, 8552068), (14, 6108620), (20, 4276034), (28, 3054310), (35, 2443448), (40, 2138017), (49, 1745320), (56, 1527155), (70, 1221724), (98, 872660), (140, 610862), (196, 436330), (245, 349064), (280, 305431), (392, 218165), (490, 174532), (980, 87266), (1960, 43633)]