28098860

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1549}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 59110800

約数和(自身を除く): 31011940

約数列:

[1, 2, 4, 5, 10, 20, 907, 1549, 1814, 3098, 3628, 4535, 6196, 7745, 9070, 15490, 18140, 30980, 1404943, 2809886, 5619772, 7024715, 14049430, 28098860]

約数ペア:

[(1, 28098860), (2, 14049430), (4, 7024715), (5, 5619772), (10, 2809886), (20, 1404943), (907, 30980), (1549, 18140), (1814, 15490), (3098, 9070), (3628, 7745), (4535, 6196)]