28423160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3607}}^1$

素因数の和:3815

約数の個数: 32

約数和(自身を含む): 64294560

約数和(自身を除く): 35871400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3607, 3940, 7214, 7880, 14428, 18035, 28856, 36070, 72140, 144280, 710579, 1421158, 2842316, 3552895, 5684632, 7105790, 14211580, 28423160]

約数ペア:

[(1, 28423160), (2, 14211580), (4, 7105790), (5, 5684632), (8, 3552895), (10, 2842316), (20, 1421158), (40, 710579), (197, 144280), (394, 72140), (788, 36070), (985, 28856), (1576, 18035), (1970, 14428), (3607, 7880), (3940, 7214)]