19528640

素因数分解:

$2^6\times 5^1\times {\mathrm{61027}}^1$

素因数の和:61044

約数の個数: 28

約数和(自身を含む): 46503336

約数和(自身を除く): 26974696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61027, 122054, 244108, 305135, 488216, 610270, 976432, 1220540, 1952864, 2441080, 3905728, 4882160, 9764320, 19528640]

約数ペア:

[(1, 19528640), (2, 9764320), (4, 4882160), (5, 3905728), (8, 2441080), (10, 1952864), (16, 1220540), (20, 976432), (32, 610270), (40, 488216), (64, 305135), (80, 244108), (160, 122054), (320, 61027)]