39990704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{192263}}^1$

素因数の和:192284

約数の個数: 20

約数和(自身を含む): 83442576

約数和(自身を除く): 43451872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 192263, 384526, 769052, 1538104, 2499419, 3076208, 4998838, 9997676, 19995352, 39990704]

約数ペア:

[(1, 39990704), (2, 19995352), (4, 9997676), (8, 4998838), (13, 3076208), (16, 2499419), (26, 1538104), (52, 769052), (104, 384526), (208, 192263)]