15746980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8117}}^1$

素因数の和:8223

約数の個数: 24

約数和(自身を含む): 33413688

約数和(自身を除く): 17666708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 8117, 16234, 32468, 40585, 81170, 162340, 787349, 1574698, 3149396, 3936745, 7873490, 15746980]

約数ペア:

[(1, 15746980), (2, 7873490), (4, 3936745), (5, 3149396), (10, 1574698), (20, 787349), (97, 162340), (194, 81170), (388, 40585), (485, 32468), (970, 16234), (1940, 8117)]