12903760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1711

約数の個数: 40

約数和(自身を含む): 30317256

約数和(自身を除く): 17413496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1597, 1616, 2020, 3194, 4040, 6388, 7985, 8080, 12776, 15970, 25552, 31940, 63880, 127760, 161297, 322594, 645188, 806485, 1290376, 1612970, 2580752, 3225940, 6451880, 12903760]

約数ペア:

[(1, 12903760), (2, 6451880), (4, 3225940), (5, 2580752), (8, 1612970), (10, 1290376), (16, 806485), (20, 645188), (40, 322594), (80, 161297), (101, 127760), (202, 63880), (404, 31940), (505, 25552), (808, 15970), (1010, 12776), (1597, 8080), (1616, 7985), (2020, 6388), (3194, 4040)]