15968140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8231}}^1$

素因数の和:8337

約数の個数: 24

約数和(自身を含む): 33882912

約数和(自身を除く): 17914772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 8231, 16462, 32924, 41155, 82310, 164620, 798407, 1596814, 3193628, 3992035, 7984070, 15968140]

約数ペア:

[(1, 15968140), (2, 7984070), (4, 3992035), (5, 3193628), (10, 1596814), (20, 798407), (97, 164620), (194, 82310), (388, 41155), (485, 32924), (970, 16462), (1940, 8231)]