54940880

素因数分解:

$2^4\times 5^1\times {\mathrm{686761}}^1$

素因数の和:686774

約数の個数: 20

約数和(自身を含む): 127737732

約数和(自身を除く): 72796852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686761, 1373522, 2747044, 3433805, 5494088, 6867610, 10988176, 13735220, 27470440, 54940880]

約数ペア:

[(1, 54940880), (2, 27470440), (4, 13735220), (5, 10988176), (8, 6867610), (10, 5494088), (16, 3433805), (20, 2747044), (40, 1373522), (80, 686761)]