20147100040

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{728911}}^1$

素因数の和:729613

約数の個数: 32

約数和(自身を含む): 45396639360

約数和(自身を除く): 25249539320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 728911, 1457822, 2915644, 3644555, 5831288, 7289110, 14578220, 29156440, 503677501, 1007355002, 2014710004, 2518387505, 4029420008, 5036775010, 10073550020, 20147100040]

約数ペア:

[(1, 20147100040), (2, 10073550020), (4, 5036775010), (5, 4029420008), (8, 2518387505), (10, 2014710004), (20, 1007355002), (40, 503677501), (691, 29156440), (1382, 14578220), (2764, 7289110), (3455, 5831288), (5528, 3644555), (6910, 2915644), (13820, 1457822), (27640, 728911)]