80825035160

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5194411}}^1$

素因数の和:5194811

約数の個数: 32

約数和(自身を含む): 182323861200

約数和(自身を除く): 101498826040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 5194411, 10388822, 20777644, 25972055, 41555288, 51944110, 103888220, 207776440, 2020625879, 4041251758, 8082503516, 10103129395, 16165007032, 20206258790, 40412517580, 80825035160]

約数ペア:

[(1, 80825035160), (2, 40412517580), (4, 20206258790), (5, 16165007032), (8, 10103129395), (10, 8082503516), (20, 4041251758), (40, 2020625879), (389, 207776440), (778, 103888220), (1556, 51944110), (1945, 41555288), (3112, 25972055), (3890, 20777644), (7780, 10388822), (15560, 5194411)]