5109040

素因数分解:

$2^4\times 5^1\times {\mathrm{63863}}^1$

素因数の和:63876

約数の個数: 20

約数和(自身を含む): 11878704

約数和(自身を除く): 6769664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 63863, 127726, 255452, 319315, 510904, 638630, 1021808, 1277260, 2554520, 5109040]

約数ペア:

[(1, 5109040), (2, 2554520), (4, 1277260), (5, 1021808), (8, 638630), (10, 510904), (16, 319315), (20, 255452), (40, 127726), (80, 63863)]