8946040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 20286000

約数和(自身を除く): 11339960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1609, 2780, 3218, 5560, 6436, 8045, 12872, 16090, 32180, 64360, 223651, 447302, 894604, 1118255, 1789208, 2236510, 4473020, 8946040]

約数ペア:

[(1, 8946040), (2, 4473020), (4, 2236510), (5, 1789208), (8, 1118255), (10, 894604), (20, 447302), (40, 223651), (139, 64360), (278, 32180), (556, 16090), (695, 12872), (1112, 8045), (1390, 6436), (1609, 5560), (2780, 3218)]