40720256

素因数分解:

$2^7\times {\mathrm{318127}}^1$

素因数の和:318141

約数の個数: 16

約数和(自身を含む): 81122640

約数和(自身を除く): 40402384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 318127, 636254, 1272508, 2545016, 5090032, 10180064, 20360128, 40720256]

約数ペア:

[(1, 40720256), (2, 20360128), (4, 10180064), (8, 5090032), (16, 2545016), (32, 1272508), (64, 636254), (128, 318127)]