1645187370940

素因数分解:

$2^2\times 5^1\times {\mathrm{5167}}^1\times {\mathrm{15920141}}^1$

素因数の和:15925317

約数の個数: 24

約数和(自身を含む): 3455562341952

約数和(自身を除く): 1810374971012

約数列:

[1, 2, 4, 5, 10, 20, 5167, 10334, 20668, 25835, 51670, 103340, 15920141, 31840282, 63680564, 79600705, 159201410, 318402820, 82259368547, 164518737094, 329037474188, 411296842735, 822593685470, 1645187370940]

約数ペア:

[(1, 1645187370940), (2, 822593685470), (4, 411296842735), (5, 329037474188), (10, 164518737094), (20, 82259368547), (5167, 318402820), (10334, 159201410), (20668, 79600705), (25835, 63680564), (51670, 31840282), (103340, 15920141)]