16002040

素因数分解:

$2^3\times 5^1\times {\mathrm{400051}}^1$

素因数の和:400062

約数の個数: 16

約数和(自身を含む): 36004680

約数和(自身を除く): 20002640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 400051, 800102, 1600204, 2000255, 3200408, 4000510, 8001020, 16002040]

約数ペア:

[(1, 16002040), (2, 8001020), (4, 4000510), (5, 3200408), (8, 2000255), (10, 1600204), (20, 800102), (40, 400051)]