213492080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21013}}^1$

素因数の和:21153

約数の個数: 40

約数和(自身を含む): 500301312

約数和(自身を除く): 286809232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21013, 42026, 84052, 105065, 168104, 210130, 336208, 420260, 840520, 1681040, 2668651, 5337302, 10674604, 13343255, 21349208, 26686510, 42698416, 53373020, 106746040, 213492080]

約数ペア:

[(1, 213492080), (2, 106746040), (4, 53373020), (5, 42698416), (8, 26686510), (10, 21349208), (16, 13343255), (20, 10674604), (40, 5337302), (80, 2668651), (127, 1681040), (254, 840520), (508, 420260), (635, 336208), (1016, 210130), (1270, 168104), (2032, 105065), (2540, 84052), (5080, 42026), (10160, 21013)]