2813372020

素因数分解:

$2^2\times 5^1\times {\mathrm{27109}}^1\times {\mathrm{5189}}^1$

素因数の和:32307

約数の個数: 24

約数和(自身を含む): 5909437800

約数和(自身を除く): 3096065780

約数列:

[1, 2, 4, 5, 10, 20, 5189, 10378, 20756, 25945, 27109, 51890, 54218, 103780, 108436, 135545, 271090, 542180, 140668601, 281337202, 562674404, 703343005, 1406686010, 2813372020]

約数ペア:

[(1, 2813372020), (2, 1406686010), (4, 703343005), (5, 562674404), (10, 281337202), (20, 140668601), (5189, 542180), (10378, 271090), (20756, 135545), (25945, 108436), (27109, 103780), (51890, 54218)]