208388080

素因数分解:

$2^4\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1993}}^1$

素因数の和:3313

約数の個数: 40

約数和(自身を含む): 485116272

約数和(自身を除く): 276728192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1307, 1993, 2614, 3986, 5228, 6535, 7972, 9965, 10456, 13070, 15944, 19930, 20912, 26140, 31888, 39860, 52280, 79720, 104560, 159440, 2604851, 5209702, 10419404, 13024255, 20838808, 26048510, 41677616, 52097020, 104194040, 208388080]

約数ペア:

[(1, 208388080), (2, 104194040), (4, 52097020), (5, 41677616), (8, 26048510), (10, 20838808), (16, 13024255), (20, 10419404), (40, 5209702), (80, 2604851), (1307, 159440), (1993, 104560), (2614, 79720), (3986, 52280), (5228, 39860), (6535, 31888), (7972, 26140), (9965, 20912), (10456, 19930), (13070, 15944)]