1329120560

素因数分解:

$2^4\times 5^1\times {\mathrm{16614007}}^1$

素因数の和:16614020

約数の個数: 20

約数和(自身を含む): 3090205488

約数和(自身を除く): 1761084928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16614007, 33228014, 66456028, 83070035, 132912056, 166140070, 265824112, 332280140, 664560280, 1329120560]

約数ペア:

[(1, 1329120560), (2, 664560280), (4, 332280140), (5, 265824112), (8, 166140070), (10, 132912056), (16, 83070035), (20, 66456028), (40, 33228014), (80, 16614007)]