4390480

素因数分解:

$2^4\times 5^1\times {\mathrm{54881}}^1$

素因数の和:54894

約数の個数: 20

約数和(自身を含む): 10208052

約数和(自身を除く): 5817572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54881, 109762, 219524, 274405, 439048, 548810, 878096, 1097620, 2195240, 4390480]

約数ペア:

[(1, 4390480), (2, 2195240), (4, 1097620), (5, 878096), (8, 548810), (10, 439048), (16, 274405), (20, 219524), (40, 109762), (80, 54881)]