247488880

素因数分解:

$2^4\times 5^1\times {\mathrm{3093611}}^1$

素因数の和:3093624

約数の個数: 20

約数和(自身を含む): 575411832

約数和(自身を除く): 327922952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3093611, 6187222, 12374444, 15468055, 24748888, 30936110, 49497776, 61872220, 123744440, 247488880]

約数ペア:

[(1, 247488880), (2, 123744440), (4, 61872220), (5, 49497776), (8, 30936110), (10, 24748888), (16, 15468055), (20, 12374444), (40, 6187222), (80, 3093611)]