40312820

素因数分解:

$2^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1481}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 84776328

約数和(自身を除く): 44463508

約数列:

[1, 2, 4, 5, 10, 20, 1361, 1481, 2722, 2962, 5444, 5924, 6805, 7405, 13610, 14810, 27220, 29620, 2015641, 4031282, 8062564, 10078205, 20156410, 40312820]

約数ペア:

[(1, 40312820), (2, 20156410), (4, 10078205), (5, 8062564), (10, 4031282), (20, 2015641), (1361, 29620), (1481, 27220), (2722, 14810), (2962, 13610), (5444, 7405), (5924, 6805)]