13782740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3463}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 29097600

約数和(自身を除く): 15314860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3463, 3980, 6926, 13852, 17315, 34630, 69260, 689137, 1378274, 2756548, 3445685, 6891370, 13782740]

約数ペア:

[(1, 13782740), (2, 6891370), (4, 3445685), (5, 2756548), (10, 1378274), (20, 689137), (199, 69260), (398, 34630), (796, 17315), (995, 13852), (1990, 6926), (3463, 3980)]