2531780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 5347608

約数和(自身を除く): 2815828

約数列:

[1, 2, 4, 5, 10, 20, 277, 457, 554, 914, 1108, 1385, 1828, 2285, 2770, 4570, 5540, 9140, 126589, 253178, 506356, 632945, 1265890, 2531780]

約数ペア:

[(1, 2531780), (2, 1265890), (4, 632945), (5, 506356), (10, 253178), (20, 126589), (277, 9140), (457, 5540), (554, 4570), (914, 2770), (1108, 2285), (1385, 1828)]