51952240

素因数分解:

$2^4\times 5^1\times {\mathrm{649403}}^1$

素因数の和:649416

約数の個数: 20

約数和(自身を含む): 120789144

約数和(自身を除く): 68836904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649403, 1298806, 2597612, 3247015, 5195224, 6494030, 10390448, 12988060, 25976120, 51952240]

約数ペア:

[(1, 51952240), (2, 25976120), (4, 12988060), (5, 10390448), (8, 6494030), (10, 5195224), (16, 3247015), (20, 2597612), (40, 1298806), (80, 649403)]