87984560

素因数分解:

$2^4\times 5^1\times {\mathrm{1099807}}^1$

素因数の和:1099820

約数の個数: 20

約数和(自身を含む): 204564288

約数和(自身を除く): 116579728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1099807, 2199614, 4399228, 5499035, 8798456, 10998070, 17596912, 21996140, 43992280, 87984560]

約数ペア:

[(1, 87984560), (2, 43992280), (4, 21996140), (5, 17596912), (8, 10998070), (10, 8798456), (16, 5499035), (20, 4399228), (40, 2199614), (80, 1099807)]