4390040

素因数分解:

$2^3\times 5^1\times {\mathrm{109751}}^1$

素因数の和:109762

約数の個数: 16

約数和(自身を含む): 9877680

約数和(自身を除く): 5487640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109751, 219502, 439004, 548755, 878008, 1097510, 2195020, 4390040]

約数ペア:

[(1, 4390040), (2, 2195020), (4, 1097510), (5, 878008), (8, 548755), (10, 439004), (20, 219502), (40, 109751)]