27871820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4481}}^1$

素因数の和:4801

約数の個数: 24

約数和(自身を含む): 58732128

約数和(自身を除く): 30860308

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4481, 6220, 8962, 17924, 22405, 44810, 89620, 1393591, 2787182, 5574364, 6967955, 13935910, 27871820]

約数ペア:

[(1, 27871820), (2, 13935910), (4, 6967955), (5, 5574364), (10, 2787182), (20, 1393591), (311, 89620), (622, 44810), (1244, 22405), (1555, 17924), (3110, 8962), (4481, 6220)]