55190320

素因数分解:

$2^4\times 5^1\times {\mathrm{689879}}^1$

素因数の和:689892

約数の個数: 20

約数和(自身を含む): 128317680

約数和(自身を除く): 73127360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689879, 1379758, 2759516, 3449395, 5519032, 6898790, 11038064, 13797580, 27595160, 55190320]

約数ペア:

[(1, 55190320), (2, 27595160), (4, 13797580), (5, 11038064), (8, 6898790), (10, 5519032), (16, 3449395), (20, 2759516), (40, 1379758), (80, 689879)]