1330264120

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{51721}}^1$

素因数の和:52375

約数の個数: 32

約数和(自身を含む): 2997807120

約数和(自身を除く): 1667543000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 25720, 51721, 103442, 206884, 258605, 413768, 517210, 1034420, 2068840, 33256603, 66513206, 133026412, 166283015, 266052824, 332566030, 665132060, 1330264120]

約数ペア:

[(1, 1330264120), (2, 665132060), (4, 332566030), (5, 266052824), (8, 166283015), (10, 133026412), (20, 66513206), (40, 33256603), (643, 2068840), (1286, 1034420), (2572, 517210), (3215, 413768), (5144, 258605), (6430, 206884), (12860, 103442), (25720, 51721)]