11918960

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 27855360

約数和(自身を除く): 15936400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 389, 766, 778, 1532, 1556, 1915, 1945, 3064, 3112, 3830, 3890, 6128, 6224, 7660, 7780, 15320, 15560, 30640, 31120, 148987, 297974, 595948, 744935, 1191896, 1489870, 2383792, 2979740, 5959480, 11918960]

約数ペア:

[(1, 11918960), (2, 5959480), (4, 2979740), (5, 2383792), (8, 1489870), (10, 1191896), (16, 744935), (20, 595948), (40, 297974), (80, 148987), (383, 31120), (389, 30640), (766, 15560), (778, 15320), (1532, 7780), (1556, 7660), (1915, 6224), (1945, 6128), (3064, 3890), (3112, 3830)]