99684560

素因数分解:

$2^4\times 5^1\times {\mathrm{1246057}}^1$

素因数の和:1246070

約数の個数: 20

約数和(自身を含む): 231766788

約数和(自身を除く): 132082228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246057, 2492114, 4984228, 6230285, 9968456, 12460570, 19936912, 24921140, 49842280, 99684560]

約数ペア:

[(1, 99684560), (2, 49842280), (4, 24921140), (5, 19936912), (8, 12460570), (10, 9968456), (16, 6230285), (20, 4984228), (40, 2492114), (80, 1246057)]