28389580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11177}}^1$

素因数の和:11313

約数の個数: 24

約数和(自身を含む): 60092928

約数和(自身を除く): 31703348

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11177, 22354, 44708, 55885, 111770, 223540, 1419479, 2838958, 5677916, 7097395, 14194790, 28389580]

約数ペア:

[(1, 28389580), (2, 14194790), (4, 7097395), (5, 5677916), (10, 2838958), (20, 1419479), (127, 223540), (254, 111770), (508, 55885), (635, 44708), (1270, 22354), (2540, 11177)]