71427140

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{4481}}^1$

素因数の和:5287

約数の個数: 24

約数和(自身を含む): 150218712

約数和(自身を除く): 78791572

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 4481, 7970, 8962, 15940, 17924, 22405, 44810, 89620, 3571357, 7142714, 14285428, 17856785, 35713570, 71427140]

約数ペア:

[(1, 71427140), (2, 35713570), (4, 17856785), (5, 14285428), (10, 7142714), (20, 3571357), (797, 89620), (1594, 44810), (3188, 22405), (3985, 17924), (4481, 15940), (7970, 8962)]