39156939280

素因数分解:

$2^4\times 5^1\times {\mathrm{489461741}}^1$

素因数の和:489461754

約数の個数: 20

約数和(自身を含む): 91039884012

約数和(自身を除く): 51882944732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489461741, 978923482, 1957846964, 2447308705, 3915693928, 4894617410, 7831387856, 9789234820, 19578469640, 39156939280]

約数ペア:

[(1, 39156939280), (2, 19578469640), (4, 9789234820), (5, 7831387856), (8, 4894617410), (10, 3915693928), (16, 2447308705), (20, 1957846964), (40, 978923482), (80, 489461741)]