7240780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1307}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 15272208

約数和(自身を除く): 8031428

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1307, 1385, 2614, 2770, 5228, 5540, 6535, 13070, 26140, 362039, 724078, 1448156, 1810195, 3620390, 7240780]

約数ペア:

[(1, 7240780), (2, 3620390), (4, 1810195), (5, 1448156), (10, 724078), (20, 362039), (277, 26140), (554, 13070), (1108, 6535), (1307, 5540), (1385, 5228), (2614, 2770)]