98904560

素因数分解:

$2^4\times 5^1\times {\mathrm{1236307}}^1$

素因数の和:1236320

約数の個数: 20

約数和(自身を含む): 229953288

約数和(自身を除く): 131048728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1236307, 2472614, 4945228, 6181535, 9890456, 12363070, 19780912, 24726140, 49452280, 98904560]

約数ペア:

[(1, 98904560), (2, 49452280), (4, 24726140), (5, 19780912), (8, 12363070), (10, 9890456), (16, 6181535), (20, 4945228), (40, 2472614), (80, 1236307)]