13801360

素因数分解:

$2^4\times 5^1\times {\mathrm{172517}}^1$

素因数の和:172530

約数の個数: 20

約数和(自身を含む): 32088348

約数和(自身を除く): 18286988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172517, 345034, 690068, 862585, 1380136, 1725170, 2760272, 3450340, 6900680, 13801360]

約数ペア:

[(1, 13801360), (2, 6900680), (4, 3450340), (5, 2760272), (8, 1725170), (10, 1380136), (16, 862585), (20, 690068), (40, 345034), (80, 172517)]