386619280

素因数分解:

$2^4\times 5^1\times {\mathrm{4832741}}^1$

素因数の和:4832754

約数の個数: 20

約数和(自身を含む): 898890012

約数和(自身を除く): 512270732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4832741, 9665482, 19330964, 24163705, 38661928, 48327410, 77323856, 96654820, 193309640, 386619280]

約数ペア:

[(1, 386619280), (2, 193309640), (4, 96654820), (5, 77323856), (8, 48327410), (10, 38661928), (16, 24163705), (20, 19330964), (40, 9665482), (80, 4832741)]