40393912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{388403}}^1$

素因数の和:388422

約数の個数: 16

約数和(自身を含む): 81564840

約数和(自身を除く): 41170928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 388403, 776806, 1553612, 3107224, 5049239, 10098478, 20196956, 40393912]

約数ペア:

[(1, 40393912), (2, 20196956), (4, 10098478), (8, 5049239), (13, 3107224), (26, 1553612), (52, 776806), (104, 388403)]