13081360

素因数分解:

$2^4\times 5^1\times {\mathrm{163517}}^1$

素因数の和:163530

約数の個数: 20

約数和(自身を含む): 30414348

約数和(自身を除く): 17332988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163517, 327034, 654068, 817585, 1308136, 1635170, 2616272, 3270340, 6540680, 13081360]

約数ペア:

[(1, 13081360), (2, 6540680), (4, 3270340), (5, 2616272), (8, 1635170), (10, 1308136), (16, 817585), (20, 654068), (40, 327034), (80, 163517)]