27851660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15647}}^1$

素因数の和:15745

約数の個数: 24

約数和(自身を含む): 59149440

約数和(自身を除く): 31297780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 15647, 31294, 62588, 78235, 156470, 312940, 1392583, 2785166, 5570332, 6962915, 13925830, 27851660]

約数ペア:

[(1, 27851660), (2, 13925830), (4, 6962915), (5, 5570332), (10, 2785166), (20, 1392583), (89, 312940), (178, 156470), (356, 78235), (445, 62588), (890, 31294), (1780, 15647)]