80018940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1333649}}^1$

素因数の和:1333661

約数の個数: 24

約数和(自身を含む): 224053200

約数和(自身を除く): 144034260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1333649, 2667298, 4000947, 5334596, 6668245, 8001894, 13336490, 16003788, 20004735, 26672980, 40009470, 80018940]

約数ペア:

[(1, 80018940), (2, 40009470), (3, 26672980), (4, 20004735), (5, 16003788), (6, 13336490), (10, 8001894), (12, 6668245), (15, 5334596), (20, 4000947), (30, 2667298), (60, 1333649)]