390672080

素因数分解:

$2^4\times 5^1\times {\mathrm{4883401}}^1$

素因数の和:4883414

約数の個数: 20

約数和(自身を含む): 908312772

約数和(自身を除く): 517640692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4883401, 9766802, 19533604, 24417005, 39067208, 48834010, 78134416, 97668020, 195336040, 390672080]

約数ペア:

[(1, 390672080), (2, 195336040), (4, 97668020), (5, 78134416), (8, 48834010), (10, 39067208), (16, 24417005), (20, 19533604), (40, 9766802), (80, 4883401)]