87668680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199247}}^1$

素因数の和:199269

約数の個数: 32

約数和(自身を含む): 215187840

約数和(自身を除く): 127519160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 199247, 398494, 796988, 996235, 1593976, 1992470, 2191717, 3984940, 4383434, 7969880, 8766868, 10958585, 17533736, 21917170, 43834340, 87668680]

約数ペア:

[(1, 87668680), (2, 43834340), (4, 21917170), (5, 17533736), (8, 10958585), (10, 8766868), (11, 7969880), (20, 4383434), (22, 3984940), (40, 2191717), (44, 1992470), (55, 1593976), (88, 996235), (110, 796988), (220, 398494), (440, 199247)]