87987280

素因数分解:

$2^4\times 5^1\times {\mathrm{1099841}}^1$

素因数の和:1099854

約数の個数: 20

約数和(自身を含む): 204570612

約数和(自身を除く): 116583332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1099841, 2199682, 4399364, 5499205, 8798728, 10998410, 17597456, 21996820, 43993640, 87987280]

約数ペア:

[(1, 87987280), (2, 43993640), (4, 21996820), (5, 17597456), (8, 10998410), (10, 8798728), (16, 5499205), (20, 4399364), (40, 2199682), (80, 1099841)]