260452280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{591937}}^1$

素因数の和:591959

約数の個数: 32

約数和(自身を含む): 639293040

約数和(自身を除く): 378840760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 591937, 1183874, 2367748, 2959685, 4735496, 5919370, 6511307, 11838740, 13022614, 23677480, 26045228, 32556535, 52090456, 65113070, 130226140, 260452280]

約数ペア:

[(1, 260452280), (2, 130226140), (4, 65113070), (5, 52090456), (8, 32556535), (10, 26045228), (11, 23677480), (20, 13022614), (22, 11838740), (40, 6511307), (44, 5919370), (55, 4735496), (88, 2959685), (110, 2367748), (220, 1183874), (440, 591937)]