2688181520

素因数分解:

$2^4\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{16561}}^1$

素因数の和:18603

約数の個数: 40

約数和(自身を含む): 6253479960

約数和(自身を除く): 3565298440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2029, 4058, 8116, 10145, 16232, 16561, 20290, 32464, 33122, 40580, 66244, 81160, 82805, 132488, 162320, 165610, 264976, 331220, 662440, 1324880, 33602269, 67204538, 134409076, 168011345, 268818152, 336022690, 537636304, 672045380, 1344090760, 2688181520]

約数ペア:

[(1, 2688181520), (2, 1344090760), (4, 672045380), (5, 537636304), (8, 336022690), (10, 268818152), (16, 168011345), (20, 134409076), (40, 67204538), (80, 33602269), (2029, 1324880), (4058, 662440), (8116, 331220), (10145, 264976), (16232, 165610), (16561, 162320), (20290, 132488), (32464, 82805), (33122, 81160), (40580, 66244)]