54915640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105607}}^1$

素因数の和:105631

約数の個数: 32

約数和(自身を含む): 133066080

約数和(自身を除く): 78150440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105607, 211214, 422428, 528035, 844856, 1056070, 1372891, 2112140, 2745782, 4224280, 5491564, 6864455, 10983128, 13728910, 27457820, 54915640]

約数ペア:

[(1, 54915640), (2, 27457820), (4, 13728910), (5, 10983128), (8, 6864455), (10, 5491564), (13, 4224280), (20, 2745782), (26, 2112140), (40, 1372891), (52, 1056070), (65, 844856), (104, 528035), (130, 422428), (260, 211214), (520, 105607)]