16128040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2111}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 20367320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2111, 3820, 4222, 7640, 8444, 10555, 16888, 21110, 42220, 84440, 403201, 806402, 1612804, 2016005, 3225608, 4032010, 8064020, 16128040]

約数ペア:

[(1, 16128040), (2, 8064020), (4, 4032010), (5, 3225608), (8, 2016005), (10, 1612804), (20, 806402), (40, 403201), (191, 84440), (382, 42220), (764, 21110), (955, 16888), (1528, 10555), (1910, 8444), (2111, 7640), (3820, 4222)]