28474960

素因数分解:

$2^4\times 5^1\times {\mathrm{355937}}^1$

素因数の和:355950

約数の個数: 20

約数和(自身を含む): 66204468

約数和(自身を除く): 37729508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355937, 711874, 1423748, 1779685, 2847496, 3559370, 5694992, 7118740, 14237480, 28474960]

約数ペア:

[(1, 28474960), (2, 14237480), (4, 7118740), (5, 5694992), (8, 3559370), (10, 2847496), (16, 1779685), (20, 1423748), (40, 711874), (80, 355937)]