72728660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37489}}^1$

素因数の和:37595

約数の個数: 24

約数和(自身を含む): 154308840

約数和(自身を除く): 81580180

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 37489, 74978, 149956, 187445, 374890, 749780, 3636433, 7272866, 14545732, 18182165, 36364330, 72728660]

約数ペア:

[(1, 72728660), (2, 36364330), (4, 18182165), (5, 14545732), (10, 7272866), (20, 3636433), (97, 749780), (194, 374890), (388, 187445), (485, 149956), (970, 74978), (1940, 37489)]