16580920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21817}}^1$

素因数の和:21847

約数の個数: 32

約数和(自身を含む): 39272400

約数和(自身を除く): 22691480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21817, 43634, 87268, 109085, 174536, 218170, 414523, 436340, 829046, 872680, 1658092, 2072615, 3316184, 4145230, 8290460, 16580920]

約数ペア:

[(1, 16580920), (2, 8290460), (4, 4145230), (5, 3316184), (8, 2072615), (10, 1658092), (19, 872680), (20, 829046), (38, 436340), (40, 414523), (76, 218170), (95, 174536), (152, 109085), (190, 87268), (380, 43634), (760, 21817)]