2194782160

素因数分解:

$2^4\times 5^1\times {\mathrm{27434777}}^1$

素因数の和:27434790

約数の個数: 20

約数和(自身を含む): 5102868708

約数和(自身を除く): 2908086548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27434777, 54869554, 109739108, 137173885, 219478216, 274347770, 438956432, 548695540, 1097391080, 2194782160]

約数ペア:

[(1, 2194782160), (2, 1097391080), (4, 548695540), (5, 438956432), (8, 274347770), (10, 219478216), (16, 137173885), (20, 109739108), (40, 54869554), (80, 27434777)]