16688080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11011

約数の個数: 40

約数和(自身を含む): 40845600

約数和(自身を除く): 24157520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10979, 21958, 43916, 54895, 87832, 109790, 175664, 208601, 219580, 417202, 439160, 834404, 878320, 1043005, 1668808, 2086010, 3337616, 4172020, 8344040, 16688080]

約数ペア:

[(1, 16688080), (2, 8344040), (4, 4172020), (5, 3337616), (8, 2086010), (10, 1668808), (16, 1043005), (19, 878320), (20, 834404), (38, 439160), (40, 417202), (76, 219580), (80, 208601), (95, 175664), (152, 109790), (190, 87832), (304, 54895), (380, 43916), (760, 21958), (1520, 10979)]