20343432080

素因数分解:

$2^4\times 5^1\times {\mathrm{254292901}}^1$

素因数の和:254292914

約数の個数: 20

約数和(自身を含む): 47298479772

約数和(自身を除く): 26955047692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254292901, 508585802, 1017171604, 1271464505, 2034343208, 2542929010, 4068686416, 5085858020, 10171716040, 20343432080]

約数ペア:

[(1, 20343432080), (2, 10171716040), (4, 5085858020), (5, 4068686416), (8, 2542929010), (10, 2034343208), (16, 1271464505), (20, 1017171604), (40, 508585802), (80, 254292901)]