155876540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71503}}^1$

素因数の和:71621

約数の個数: 24

約数和(自身を含む): 330348480

約数和(自身を除く): 174471940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 71503, 143006, 286012, 357515, 715030, 1430060, 7793827, 15587654, 31175308, 38969135, 77938270, 155876540]

約数ペア:

[(1, 155876540), (2, 77938270), (4, 38969135), (5, 31175308), (10, 15587654), (20, 7793827), (109, 1430060), (218, 715030), (436, 357515), (545, 286012), (1090, 143006), (2180, 71503)]