2660996920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{178351}}^1$

素因数の和:178735

約数の個数: 32

約数和(自身を含む): 6003328320

約数和(自身を除く): 3342331400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 178351, 356702, 713404, 891755, 1426808, 1783510, 3567020, 7134040, 66524923, 133049846, 266099692, 332624615, 532199384, 665249230, 1330498460, 2660996920]

約数ペア:

[(1, 2660996920), (2, 1330498460), (4, 665249230), (5, 532199384), (8, 332624615), (10, 266099692), (20, 133049846), (40, 66524923), (373, 7134040), (746, 3567020), (1492, 1783510), (1865, 1426808), (2984, 891755), (3730, 713404), (7460, 356702), (14920, 178351)]