83457820

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2161}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 175433328

約数和(自身を除く): 91975508

約数列:

[1, 2, 4, 5, 10, 20, 1931, 2161, 3862, 4322, 7724, 8644, 9655, 10805, 19310, 21610, 38620, 43220, 4172891, 8345782, 16691564, 20864455, 41728910, 83457820]

約数ペア:

[(1, 83457820), (2, 41728910), (4, 20864455), (5, 16691564), (10, 8345782), (20, 4172891), (1931, 43220), (2161, 38620), (3862, 21610), (4322, 19310), (7724, 10805), (8644, 9655)]