28132220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2659}}^1$

素因数の和:2714

約数の個数: 36

約数和(自身を含む): 61781160

約数和(自身を除く): 33648940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 2659, 5290, 5318, 10580, 10636, 13295, 26590, 53180, 61157, 122314, 244628, 305785, 611570, 1223140, 1406611, 2813222, 5626444, 7033055, 14066110, 28132220]

約数ペア:

[(1, 28132220), (2, 14066110), (4, 7033055), (5, 5626444), (10, 2813222), (20, 1406611), (23, 1223140), (46, 611570), (92, 305785), (115, 244628), (230, 122314), (460, 61157), (529, 53180), (1058, 26590), (2116, 13295), (2645, 10636), (2659, 10580), (5290, 5318)]