40728640

素因数分解:

$2^6\times 5^1\times {\mathrm{127277}}^1$

素因数の和:127294

約数の個数: 28

約数和(自身を含む): 96985836

約数和(自身を除く): 56257196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127277, 254554, 509108, 636385, 1018216, 1272770, 2036432, 2545540, 4072864, 5091080, 8145728, 10182160, 20364320, 40728640]

約数ペア:

[(1, 40728640), (2, 20364320), (4, 10182160), (5, 8145728), (8, 5091080), (10, 4072864), (16, 2545540), (20, 2036432), (32, 1272770), (40, 1018216), (64, 636385), (80, 509108), (160, 254554), (320, 127277)]