1008656840

素因数分解:

$2^3\times 5^1\times {\mathrm{25216421}}^1$

素因数の和:25216432

約数の個数: 16

約数和(自身を含む): 2269477980

約数和(自身を除く): 1260821140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25216421, 50432842, 100865684, 126082105, 201731368, 252164210, 504328420, 1008656840]

約数ペア:

[(1, 1008656840), (2, 504328420), (4, 252164210), (5, 201731368), (8, 126082105), (10, 100865684), (20, 50432842), (40, 25216421)]