80828416

素因数分解:

$2^{11}\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 164520720

約数和(自身を除く): 83692304

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 647, 976, 1024, 1294, 1952, 2048, 2588, 3904, 5176, 7808, 10352, 15616, 20704, 31232, 39467, 41408, 62464, 78934, 82816, 124928, 157868, 165632, 315736, 331264, 631472, 662528, 1262944, 1325056, 2525888, 5051776, 10103552, 20207104, 40414208, 80828416]

約数ペア:

[(1, 80828416), (2, 40414208), (4, 20207104), (8, 10103552), (16, 5051776), (32, 2525888), (61, 1325056), (64, 1262944), (122, 662528), (128, 631472), (244, 331264), (256, 315736), (488, 165632), (512, 157868), (647, 124928), (976, 82816), (1024, 78934), (1294, 62464), (1952, 41408), (2048, 39467), (2588, 31232), (3904, 20704), (5176, 15616), (7808, 10352)]