201769520

素因数分解:

$2^4\times 5^1\times {\mathrm{2522119}}^1$

素因数の和:2522132

約数の個数: 20

約数和(自身を含む): 469114320

約数和(自身を除く): 267344800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522119, 5044238, 10088476, 12610595, 20176952, 25221190, 40353904, 50442380, 100884760, 201769520]

約数ペア:

[(1, 201769520), (2, 100884760), (4, 50442380), (5, 40353904), (8, 25221190), (10, 20176952), (16, 12610595), (20, 10088476), (40, 5044238), (80, 2522119)]