83609620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{78877}}^1$

素因数の和:78939

約数の個数: 24

約数和(自身を含む): 178895304

約数和(自身を除く): 95285684

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 78877, 157754, 315508, 394385, 788770, 1577540, 4180481, 8360962, 16721924, 20902405, 41804810, 83609620]

約数ペア:

[(1, 83609620), (2, 41804810), (4, 20902405), (5, 16721924), (10, 8360962), (20, 4180481), (53, 1577540), (106, 788770), (212, 394385), (265, 315508), (530, 157754), (1060, 78877)]