55545520

素因数分解:

$2^4\times 5^1\times {\mathrm{694319}}^1$

素因数の和:694332

約数の個数: 20

約数和(自身を含む): 129143520

約数和(自身を除く): 73598000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694319, 1388638, 2777276, 3471595, 5554552, 6943190, 11109104, 13886380, 27772760, 55545520]

約数ペア:

[(1, 55545520), (2, 27772760), (4, 13886380), (5, 11109104), (8, 6943190), (10, 5554552), (16, 3471595), (20, 2777276), (40, 1388638), (80, 694319)]