40338712

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{20089}}^1$

素因数の和:20346

約数の個数: 16

約数和(自身を含む): 75940200

約数和(自身を除く): 35601488

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 20089, 40178, 80356, 160712, 5042339, 10084678, 20169356, 40338712]

約数ペア:

[(1, 40338712), (2, 20169356), (4, 10084678), (8, 5042339), (251, 160712), (502, 80356), (1004, 40178), (2008, 20089)]