82528640

素因数分解:

$2^7\times 5^1\times {\mathrm{128951}}^1$

素因数の和:128970

約数の個数: 32

約数和(自身を含む): 197296560

約数和(自身を除く): 114767920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128951, 257902, 515804, 644755, 1031608, 1289510, 2063216, 2579020, 4126432, 5158040, 8252864, 10316080, 16505728, 20632160, 41264320, 82528640]

約数ペア:

[(1, 82528640), (2, 41264320), (4, 20632160), (5, 16505728), (8, 10316080), (10, 8252864), (16, 5158040), (20, 4126432), (32, 2579020), (40, 2063216), (64, 1289510), (80, 1031608), (128, 644755), (160, 515804), (320, 257902), (640, 128951)]