7728940

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1009}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 16289280

約数和(自身を除く): 8560340

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1009, 1532, 1915, 2018, 3830, 4036, 5045, 7660, 10090, 20180, 386447, 772894, 1545788, 1932235, 3864470, 7728940]

約数ペア:

[(1, 7728940), (2, 3864470), (4, 1932235), (5, 1545788), (10, 772894), (20, 386447), (383, 20180), (766, 10090), (1009, 7660), (1532, 5045), (1915, 4036), (2018, 3830)]