84649960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21817}}^1$

素因数の和:21925

約数の個数: 32

約数和(自身を含む): 192434760

約数和(自身を除く): 107784800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 21817, 43634, 87268, 109085, 174536, 218170, 436340, 872680, 2116249, 4232498, 8464996, 10581245, 16929992, 21162490, 42324980, 84649960]

約数ペア:

[(1, 84649960), (2, 42324980), (4, 21162490), (5, 16929992), (8, 10581245), (10, 8464996), (20, 4232498), (40, 2116249), (97, 872680), (194, 436340), (388, 218170), (485, 174536), (776, 109085), (970, 87268), (1940, 43634), (3880, 21817)]