4991365480

素因数分解:

$2^3\times 5^1\times {\mathrm{124784137}}^1$

素因数の和:124784148

約数の個数: 16

約数和(自身を含む): 11230572420

約数和(自身を除く): 6239206940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 124784137, 249568274, 499136548, 623920685, 998273096, 1247841370, 2495682740, 4991365480]

約数ペア:

[(1, 4991365480), (2, 2495682740), (4, 1247841370), (5, 998273096), (8, 623920685), (10, 499136548), (20, 249568274), (40, 124784137)]