225687820

素因数分解:

$2^2\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{5113}}^1$

素因数の和:7329

約数の個数: 24

約数和(自身を含む): 474251904

約数和(自身を除く): 248564084

約数列:

[1, 2, 4, 5, 10, 20, 2207, 4414, 5113, 8828, 10226, 11035, 20452, 22070, 25565, 44140, 51130, 102260, 11284391, 22568782, 45137564, 56421955, 112843910, 225687820]

約数ペア:

[(1, 225687820), (2, 112843910), (4, 56421955), (5, 45137564), (10, 22568782), (20, 11284391), (2207, 102260), (4414, 51130), (5113, 44140), (8828, 25565), (10226, 22070), (11035, 20452)]