30912080

素因数分解:

$2^4\times 5^1\times {\mathrm{386401}}^1$

素因数の和:386414

約数の個数: 20

約数和(自身を含む): 71870772

約数和(自身を除く): 40958692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386401, 772802, 1545604, 1932005, 3091208, 3864010, 6182416, 7728020, 15456040, 30912080]

約数ペア:

[(1, 30912080), (2, 15456040), (4, 7728020), (5, 6182416), (8, 3864010), (10, 3091208), (16, 1932005), (20, 1545604), (40, 772802), (80, 386401)]