8340020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32077}}^1$

素因数の和:32099

約数の個数: 24

約数和(自身を含む): 18861864

約数和(自身を除く): 10521844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32077, 64154, 128308, 160385, 320770, 417001, 641540, 834002, 1668004, 2085005, 4170010, 8340020]

約数ペア:

[(1, 8340020), (2, 4170010), (4, 2085005), (5, 1668004), (10, 834002), (13, 641540), (20, 417001), (26, 320770), (52, 160385), (65, 128308), (130, 64154), (260, 32077)]