209024440

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{5179}}^1$

素因数の和:6199

約数の個数: 32

約数和(自身を含む): 470862000

約数和(自身を除く): 261837560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 5179, 8072, 10090, 10358, 20180, 20716, 25895, 40360, 41432, 51790, 103580, 207160, 5225611, 10451222, 20902444, 26128055, 41804888, 52256110, 104512220, 209024440]

約数ペア:

[(1, 209024440), (2, 104512220), (4, 52256110), (5, 41804888), (8, 26128055), (10, 20902444), (20, 10451222), (40, 5225611), (1009, 207160), (2018, 103580), (4036, 51790), (5045, 41432), (5179, 40360), (8072, 25895), (10090, 20716), (10358, 20180)]