55171660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{28439}}^1$

素因数の和:28545

約数の個数: 24

約数和(自身を含む): 117059040

約数和(自身を除く): 61887380

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 28439, 56878, 113756, 142195, 284390, 568780, 2758583, 5517166, 11034332, 13792915, 27585830, 55171660]

約数ペア:

[(1, 55171660), (2, 27585830), (4, 13792915), (5, 11034332), (10, 5517166), (20, 2758583), (97, 568780), (194, 284390), (388, 142195), (485, 113756), (970, 56878), (1940, 28439)]