2040880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 4812192

約数和(自身を除く): 2771312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 263, 388, 485, 526, 776, 970, 1052, 1315, 1552, 1940, 2104, 2630, 3880, 4208, 5260, 7760, 10520, 21040, 25511, 51022, 102044, 127555, 204088, 255110, 408176, 510220, 1020440, 2040880]

約数ペア:

[(1, 2040880), (2, 1020440), (4, 510220), (5, 408176), (8, 255110), (10, 204088), (16, 127555), (20, 102044), (40, 51022), (80, 25511), (97, 21040), (194, 10520), (263, 7760), (388, 5260), (485, 4208), (526, 3880), (776, 2630), (970, 2104), (1052, 1940), (1315, 1552)]