2784980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12659}}^1$

素因数の和:12679

約数の個数: 24

約数和(自身を含む): 6380640

約数和(自身を除く): 3595660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12659, 25318, 50636, 63295, 126590, 139249, 253180, 278498, 556996, 696245, 1392490, 2784980]

約数ペア:

[(1, 2784980), (2, 1392490), (4, 696245), (5, 556996), (10, 278498), (11, 253180), (20, 139249), (22, 126590), (44, 63295), (55, 50636), (110, 25318), (220, 12659)]