2149786040

素因数分解:

$2^3\times 5^1\times {\mathrm{3691}}^1\times {\mathrm{14561}}^1$

素因数の和:18263

約数の個数: 32

約数和(自身を含む): 4838661360

約数和(自身を除く): 2688875320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3691, 7382, 14561, 14764, 18455, 29122, 29528, 36910, 58244, 72805, 73820, 116488, 145610, 147640, 291220, 582440, 53744651, 107489302, 214978604, 268723255, 429957208, 537446510, 1074893020, 2149786040]

約数ペア:

[(1, 2149786040), (2, 1074893020), (4, 537446510), (5, 429957208), (8, 268723255), (10, 214978604), (20, 107489302), (40, 53744651), (3691, 582440), (7382, 291220), (14561, 147640), (14764, 145610), (18455, 116488), (29122, 73820), (29528, 72805), (36910, 58244)]