2015260040

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{72911}}^1$

素因数の和:73613

約数の個数: 32

約数和(自身を含む): 4540959360

約数和(自身を除く): 2525699320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 72911, 145822, 291644, 364555, 583288, 729110, 1458220, 2916440, 50381501, 100763002, 201526004, 251907505, 403052008, 503815010, 1007630020, 2015260040]

約数ペア:

[(1, 2015260040), (2, 1007630020), (4, 503815010), (5, 403052008), (8, 251907505), (10, 201526004), (20, 100763002), (40, 50381501), (691, 2916440), (1382, 1458220), (2764, 729110), (3455, 583288), (5528, 364555), (6910, 291644), (13820, 145822), (27640, 72911)]