28378060

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5653}}^1$

素因数の和:5913

約数の個数: 24

約数和(自身を含む): 59841936

約数和(自身を除く): 31463876

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 5653, 11306, 22612, 28265, 56530, 113060, 1418903, 2837806, 5675612, 7094515, 14189030, 28378060]

約数ペア:

[(1, 28378060), (2, 14189030), (4, 7094515), (5, 5675612), (10, 2837806), (20, 1418903), (251, 113060), (502, 56530), (1004, 28265), (1255, 22612), (2510, 11306), (5020, 5653)]