17804960

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 42325416

約数和(自身を除く): 24520456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 433, 514, 866, 1028, 1285, 1732, 2056, 2165, 2570, 3464, 4112, 4330, 5140, 6928, 8224, 8660, 10280, 13856, 17320, 20560, 34640, 41120, 69280, 111281, 222562, 445124, 556405, 890248, 1112810, 1780496, 2225620, 3560992, 4451240, 8902480, 17804960]

約数ペア:

[(1, 17804960), (2, 8902480), (4, 4451240), (5, 3560992), (8, 2225620), (10, 1780496), (16, 1112810), (20, 890248), (32, 556405), (40, 445124), (80, 222562), (160, 111281), (257, 69280), (433, 41120), (514, 34640), (866, 20560), (1028, 17320), (1285, 13856), (1732, 10280), (2056, 8660), (2165, 8224), (2570, 6928), (3464, 5140), (4112, 4330)]