38070920

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1987}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 85881600

約数和(自身を除く): 47810680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 1987, 2395, 3832, 3974, 4790, 7948, 9580, 9935, 15896, 19160, 19870, 39740, 79480, 951773, 1903546, 3807092, 4758865, 7614184, 9517730, 19035460, 38070920]

約数ペア:

[(1, 38070920), (2, 19035460), (4, 9517730), (5, 7614184), (8, 4758865), (10, 3807092), (20, 1903546), (40, 951773), (479, 79480), (958, 39740), (1916, 19870), (1987, 19160), (2395, 15896), (3832, 9935), (3974, 9580), (4790, 7948)]