203311280

素因数分解:

$2^4\times 5^1\times {\mathrm{2541391}}^1$

素因数の和:2541404

約数の個数: 20

約数和(自身を含む): 472698912

約数和(自身を除く): 269387632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2541391, 5082782, 10165564, 12706955, 20331128, 25413910, 40662256, 50827820, 101655640, 203311280]

約数ペア:

[(1, 203311280), (2, 101655640), (4, 50827820), (5, 40662256), (8, 25413910), (10, 20331128), (16, 12706955), (20, 10165564), (40, 5082782), (80, 2541391)]