85682180

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4297}}^1$

素因数の和:5303

約数の個数: 24

約数和(自身を含む): 180154968

約数和(自身を除く): 94472788

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4297, 4985, 8594, 9970, 17188, 19940, 21485, 42970, 85940, 4284109, 8568218, 17136436, 21420545, 42841090, 85682180]

約数ペア:

[(1, 85682180), (2, 42841090), (4, 21420545), (5, 17136436), (10, 8568218), (20, 4284109), (997, 85940), (1994, 42970), (3988, 21485), (4297, 19940), (4985, 17188), (8594, 9970)]