16384720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 42622272

約数和(自身を除く): 26237552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 433, 440, 473, 688, 860, 866, 880, 946, 1720, 1732, 1892, 2165, 2365, 3440, 3464, 3784, 4330, 4730, 4763, 6928, 7568, 8660, 9460, 9526, 17320, 18619, 18920, 19052, 23815, 34640, 37238, 37840, 38104, 47630, 74476, 76208, 93095, 95260, 148952, 186190, 190520, 204809, 297904, 372380, 381040, 409618, 744760, 819236, 1024045, 1489520, 1638472, 2048090, 3276944, 4096180, 8192360, 16384720]

約数ペア:

[(1, 16384720), (2, 8192360), (4, 4096180), (5, 3276944), (8, 2048090), (10, 1638472), (11, 1489520), (16, 1024045), (20, 819236), (22, 744760), (40, 409618), (43, 381040), (44, 372380), (55, 297904), (80, 204809), (86, 190520), (88, 186190), (110, 148952), (172, 95260), (176, 93095), (215, 76208), (220, 74476), (344, 47630), (430, 38104), (433, 37840), (440, 37238), (473, 34640), (688, 23815), (860, 19052), (866, 18920), (880, 18619), (946, 17320), (1720, 9526), (1732, 9460), (1892, 8660), (2165, 7568), (2365, 6928), (3440, 4763), (3464, 4730), (3784, 4330)]