155543620

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{4139}}^1$

素因数の和:6027

約数の個数: 24

約数和(自身を含む): 326894400

約数和(自身を除く): 171350780

約数列:

[1, 2, 4, 5, 10, 20, 1879, 3758, 4139, 7516, 8278, 9395, 16556, 18790, 20695, 37580, 41390, 82780, 7777181, 15554362, 31108724, 38885905, 77771810, 155543620]

約数ペア:

[(1, 155543620), (2, 77771810), (4, 38885905), (5, 31108724), (10, 15554362), (20, 7777181), (1879, 82780), (3758, 41390), (4139, 37580), (7516, 20695), (8278, 18790), (9395, 16556)]