201608872720

素因数分解:

$2^4\times 5^1\times {\mathrm{2520110909}}^1$

素因数の和:2520110922

約数の個数: 20

約数和(自身を含む): 468740629260

約数和(自身を除く): 267131756540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520110909, 5040221818, 10080443636, 12600554545, 20160887272, 25201109090, 40321774544, 50402218180, 100804436360, 201608872720]

約数ペア:

[(1, 201608872720), (2, 100804436360), (4, 50402218180), (5, 40321774544), (8, 25201109090), (10, 20160887272), (16, 12600554545), (20, 10080443636), (40, 5040221818), (80, 2520110909)]