86808920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197293}}^1$

素因数の和:197315

約数の個数: 32

約数和(自身を含む): 213077520

約数和(自身を除く): 126268600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197293, 394586, 789172, 986465, 1578344, 1972930, 2170223, 3945860, 4340446, 7891720, 8680892, 10851115, 17361784, 21702230, 43404460, 86808920]

約数ペア:

[(1, 86808920), (2, 43404460), (4, 21702230), (5, 17361784), (8, 10851115), (10, 8680892), (11, 7891720), (20, 4340446), (22, 3945860), (40, 2170223), (44, 1972930), (55, 1578344), (88, 986465), (110, 789172), (220, 394586), (440, 197293)]