84477980

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4657}}^1$

素因数の和:5573

約数の個数: 24

約数和(自身を含む): 177637488

約数和(自身を除く): 93159508

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 4657, 9070, 9314, 18140, 18628, 23285, 46570, 93140, 4223899, 8447798, 16895596, 21119495, 42238990, 84477980]

約数ペア:

[(1, 84477980), (2, 42238990), (4, 21119495), (5, 16895596), (10, 8447798), (20, 4223899), (907, 93140), (1814, 46570), (3628, 23285), (4535, 18628), (4657, 18140), (9070, 9314)]