28938220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11393}}^1$

素因数の和:11529

約数の個数: 24

約数和(自身を含む): 61254144

約数和(自身を除く): 32315924

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11393, 22786, 45572, 56965, 113930, 227860, 1446911, 2893822, 5787644, 7234555, 14469110, 28938220]

約数ペア:

[(1, 28938220), (2, 14469110), (4, 7234555), (5, 5787644), (10, 2893822), (20, 1446911), (127, 227860), (254, 113930), (508, 56965), (635, 45572), (1270, 22786), (2540, 11393)]