28245520

素因数分解:

$2^4\times 5^1\times {\mathrm{353069}}^1$

素因数の和:353082

約数の個数: 20

約数和(自身を含む): 65671020

約数和(自身を除く): 37425500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353069, 706138, 1412276, 1765345, 2824552, 3530690, 5649104, 7061380, 14122760, 28245520]

約数ペア:

[(1, 28245520), (2, 14122760), (4, 7061380), (5, 5649104), (8, 3530690), (10, 2824552), (16, 1765345), (20, 1412276), (40, 706138), (80, 353069)]