80038580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41257}}^1$

素因数の和:41363

約数の個数: 24

約数和(自身を含む): 169817928

約数和(自身を除く): 89779348

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41257, 82514, 165028, 206285, 412570, 825140, 4001929, 8003858, 16007716, 20009645, 40019290, 80038580]

約数ペア:

[(1, 80038580), (2, 40019290), (4, 20009645), (5, 16007716), (10, 8003858), (20, 4001929), (97, 825140), (194, 412570), (388, 206285), (485, 165028), (970, 82514), (1940, 41257)]