57180220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6791}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 120381408

約数和(自身を除く): 63201188

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 6791, 8420, 13582, 27164, 33955, 67910, 135820, 2859011, 5718022, 11436044, 14295055, 28590110, 57180220]

約数ペア:

[(1, 57180220), (2, 28590110), (4, 14295055), (5, 11436044), (10, 5718022), (20, 2859011), (421, 135820), (842, 67910), (1684, 33955), (2105, 27164), (4210, 13582), (6791, 8420)]