27738640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3433}}^1$

素因数の和:3547

約数の個数: 40

約数和(自身を含む): 65149848

約数和(自身を除く): 37411208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3433, 4040, 6866, 8080, 13732, 17165, 27464, 34330, 54928, 68660, 137320, 274640, 346733, 693466, 1386932, 1733665, 2773864, 3467330, 5547728, 6934660, 13869320, 27738640]

約数ペア:

[(1, 27738640), (2, 13869320), (4, 6934660), (5, 5547728), (8, 3467330), (10, 2773864), (16, 1733665), (20, 1386932), (40, 693466), (80, 346733), (101, 274640), (202, 137320), (404, 68660), (505, 54928), (808, 34330), (1010, 27464), (1616, 17165), (2020, 13732), (3433, 8080), (4040, 6866)]