26989160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61339}}^1$

素因数の和:61361

約数の個数: 32

約数和(自身を含む): 66247200

約数和(自身を除く): 39258040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61339, 122678, 245356, 306695, 490712, 613390, 674729, 1226780, 1349458, 2453560, 2698916, 3373645, 5397832, 6747290, 13494580, 26989160]

約数ペア:

[(1, 26989160), (2, 13494580), (4, 6747290), (5, 5397832), (8, 3373645), (10, 2698916), (11, 2453560), (20, 1349458), (22, 1226780), (40, 674729), (44, 613390), (55, 490712), (88, 306695), (110, 245356), (220, 122678), (440, 61339)]