28520240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50929}}^1$

素因数の和:50949

約数の個数: 40

約数和(自身を含む): 75783840

約数和(自身を除く): 47263600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50929, 101858, 203716, 254645, 356503, 407432, 509290, 713006, 814864, 1018580, 1426012, 1782515, 2037160, 2852024, 3565030, 4074320, 5704048, 7130060, 14260120, 28520240]

約数ペア:

[(1, 28520240), (2, 14260120), (4, 7130060), (5, 5704048), (7, 4074320), (8, 3565030), (10, 2852024), (14, 2037160), (16, 1782515), (20, 1426012), (28, 1018580), (35, 814864), (40, 713006), (56, 509290), (70, 407432), (80, 356503), (112, 254645), (140, 203716), (280, 101858), (560, 50929)]