28441360

素因数分解:

$2^4\times 5^1\times {\mathrm{355517}}^1$

素因数の和:355530

約数の個数: 20

約数和(自身を含む): 66126348

約数和(自身を除く): 37684988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355517, 711034, 1422068, 1777585, 2844136, 3555170, 5688272, 7110340, 14220680, 28441360]

約数ペア:

[(1, 28441360), (2, 14220680), (4, 7110340), (5, 5688272), (8, 3555170), (10, 2844136), (16, 1777585), (20, 1422068), (40, 711034), (80, 355517)]