51615040

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1715

約数の個数: 56

約数和(自身を含む): 124202952

約数和(自身を除く): 72587912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1597, 1616, 2020, 3194, 3232, 4040, 6388, 6464, 7985, 8080, 12776, 15970, 16160, 25552, 31940, 32320, 51104, 63880, 102208, 127760, 161297, 255520, 322594, 511040, 645188, 806485, 1290376, 1612970, 2580752, 3225940, 5161504, 6451880, 10323008, 12903760, 25807520, 51615040]

約数ペア:

[(1, 51615040), (2, 25807520), (4, 12903760), (5, 10323008), (8, 6451880), (10, 5161504), (16, 3225940), (20, 2580752), (32, 1612970), (40, 1290376), (64, 806485), (80, 645188), (101, 511040), (160, 322594), (202, 255520), (320, 161297), (404, 127760), (505, 102208), (808, 63880), (1010, 51104), (1597, 32320), (1616, 31940), (2020, 25552), (3194, 16160), (3232, 15970), (4040, 12776), (6388, 8080), (6464, 7985)]