49729520

素因数分解:

$2^4\times 5^1\times {\mathrm{621619}}^1$

素因数の和:621632

約数の個数: 20

約数和(自身を含む): 115621320

約数和(自身を除く): 65891800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621619, 1243238, 2486476, 3108095, 4972952, 6216190, 9945904, 12432380, 24864760, 49729520]

約数ペア:

[(1, 49729520), (2, 24864760), (4, 12432380), (5, 9945904), (8, 6216190), (10, 4972952), (16, 3108095), (20, 2486476), (40, 1243238), (80, 621619)]