4080341780

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{103091}}^1$

素因数の和:105079

約数の個数: 24

約数和(自身を含む): 8573130720

約数和(自身を除く): 4492788940

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 19790, 39580, 103091, 206182, 412364, 515455, 1030910, 2061820, 204017089, 408034178, 816068356, 1020085445, 2040170890, 4080341780]

約数ペア:

[(1, 4080341780), (2, 2040170890), (4, 1020085445), (5, 816068356), (10, 408034178), (20, 204017089), (1979, 2061820), (3958, 1030910), (7916, 515455), (9895, 412364), (19790, 206182), (39580, 103091)]