8390320

素因数分解:

$2^4\times 5^1\times {\mathrm{104879}}^1$

素因数の和:104892

約数の個数: 20

約数和(自身を含む): 19507680

約数和(自身を除く): 11117360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104879, 209758, 419516, 524395, 839032, 1048790, 1678064, 2097580, 4195160, 8390320]

約数ペア:

[(1, 8390320), (2, 4195160), (4, 2097580), (5, 1678064), (8, 1048790), (10, 839032), (16, 524395), (20, 419516), (40, 209758), (80, 104879)]