154428080

素因数分解:

$2^4\times 5^1\times {\mathrm{1930351}}^1$

素因数の和:1930364

約数の個数: 20

約数和(自身を含む): 359045472

約数和(自身を除く): 204617392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1930351, 3860702, 7721404, 9651755, 15442808, 19303510, 30885616, 38607020, 77214040, 154428080]

約数ペア:

[(1, 154428080), (2, 77214040), (4, 38607020), (5, 30885616), (8, 19303510), (10, 15442808), (16, 9651755), (20, 7721404), (40, 3860702), (80, 1930351)]