27920840

素因数分解:

$2^3\times 5^1\times {\mathrm{698021}}^1$

素因数の和:698032

約数の個数: 16

約数和(自身を含む): 62821980

約数和(自身を除く): 34901140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 698021, 1396042, 2792084, 3490105, 5584168, 6980210, 13960420, 27920840]

約数ペア:

[(1, 27920840), (2, 13960420), (4, 6980210), (5, 5584168), (8, 3490105), (10, 2792084), (20, 1396042), (40, 698021)]