1260759980

素因数分解:

$2^2\times 5^1\times {\mathrm{63037999}}^1$

素因数の和:63038008

約数の個数: 12

約数和(自身を含む): 2647596000

約数和(自身を除く): 1386836020

約数列:

[1, 2, 4, 5, 10, 20, 63037999, 126075998, 252151996, 315189995, 630379990, 1260759980]

約数ペア:

[(1, 1260759980), (2, 630379990), (4, 315189995), (5, 252151996), (10, 126075998), (20, 63037999)]