55814540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25603}}^1$

素因数の和:25721

約数の個数: 24

約数和(自身を含む): 118290480

約数和(自身を除く): 62475940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25603, 51206, 102412, 128015, 256030, 512060, 2790727, 5581454, 11162908, 13953635, 27907270, 55814540]

約数ペア:

[(1, 55814540), (2, 27907270), (4, 13953635), (5, 11162908), (10, 5581454), (20, 2790727), (109, 512060), (218, 256030), (436, 128015), (545, 102412), (1090, 51206), (2180, 25603)]