28803080

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1279}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 64972800

約数和(自身を除く): 36169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1279, 2252, 2558, 2815, 4504, 5116, 5630, 6395, 10232, 11260, 12790, 22520, 25580, 51160, 720077, 1440154, 2880308, 3600385, 5760616, 7200770, 14401540, 28803080]

約数ペア:

[(1, 28803080), (2, 14401540), (4, 7200770), (5, 5760616), (8, 3600385), (10, 2880308), (20, 1440154), (40, 720077), (563, 51160), (1126, 25580), (1279, 22520), (2252, 12790), (2558, 11260), (2815, 10232), (4504, 6395), (5116, 5630)]