13408720784840

素因数分解:

$2^3\times 5^1\times {\mathrm{4937}}^1\times {\mathrm{67899133}}^1$

素因数の和:67904081

約数の個数: 32

約数和(自身を含む): 30175733132280

約数和(自身を除く): 16767012347440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4937, 9874, 19748, 24685, 39496, 49370, 98740, 197480, 67899133, 135798266, 271596532, 339495665, 543193064, 678991330, 1357982660, 2715965320, 335218019621, 670436039242, 1340872078484, 1676090098105, 2681744156968, 3352180196210, 6704360392420, 13408720784840]

約数ペア:

[(1, 13408720784840), (2, 6704360392420), (4, 3352180196210), (5, 2681744156968), (8, 1676090098105), (10, 1340872078484), (20, 670436039242), (40, 335218019621), (4937, 2715965320), (9874, 1357982660), (19748, 678991330), (24685, 543193064), (39496, 339495665), (49370, 271596532), (98740, 135798266), (197480, 67899133)]