11271280

素因数分解:

$2^4\times 5^1\times {\mathrm{140891}}^1$

素因数の和:140904

約数の個数: 20

約数和(自身を含む): 26205912

約数和(自身を除く): 14934632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 140891, 281782, 563564, 704455, 1127128, 1408910, 2254256, 2817820, 5635640, 11271280]

約数ペア:

[(1, 11271280), (2, 5635640), (4, 2817820), (5, 2254256), (8, 1408910), (10, 1127128), (16, 704455), (20, 563564), (40, 281782), (80, 140891)]