68040640

素因数分解:

$2^6\times 5^1\times {\mathrm{212627}}^1$

素因数の和:212644

約数の個数: 28

約数和(自身を含む): 162022536

約数和(自身を除く): 93981896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 212627, 425254, 850508, 1063135, 1701016, 2126270, 3402032, 4252540, 6804064, 8505080, 13608128, 17010160, 34020320, 68040640]

約数ペア:

[(1, 68040640), (2, 34020320), (4, 17010160), (5, 13608128), (8, 8505080), (10, 6804064), (16, 4252540), (20, 3402032), (32, 2126270), (40, 1701016), (64, 1063135), (80, 850508), (160, 425254), (320, 212627)]