1563280

素因数分解:

$2^4\times 5^1\times {\mathrm{19541}}^1$

素因数の和:19554

約数の個数: 20

約数和(自身を含む): 3634812

約数和(自身を除く): 2071532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19541, 39082, 78164, 97705, 156328, 195410, 312656, 390820, 781640, 1563280]

約数ペア:

[(1, 1563280), (2, 781640), (4, 390820), (5, 312656), (8, 195410), (10, 156328), (16, 97705), (20, 78164), (40, 39082), (80, 19541)]