9897040

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 23165928

約数和(自身を除く): 13268888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 641, 772, 965, 1282, 1544, 1930, 2564, 3088, 3205, 3860, 5128, 6410, 7720, 10256, 12820, 15440, 25640, 51280, 123713, 247426, 494852, 618565, 989704, 1237130, 1979408, 2474260, 4948520, 9897040]

約数ペア:

[(1, 9897040), (2, 4948520), (4, 2474260), (5, 1979408), (8, 1237130), (10, 989704), (16, 618565), (20, 494852), (40, 247426), (80, 123713), (193, 51280), (386, 25640), (641, 15440), (772, 12820), (965, 10256), (1282, 7720), (1544, 6410), (1930, 5128), (2564, 3860), (3088, 3205)]