84328280

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1987}}^1$

素因数の和:3059

約数の個数: 32

約数和(自身を含む): 190013040

約数和(自身を除く): 105684760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 1987, 2122, 3974, 4244, 5305, 7948, 8488, 9935, 10610, 15896, 19870, 21220, 39740, 42440, 79480, 2108207, 4216414, 8432828, 10541035, 16865656, 21082070, 42164140, 84328280]

約数ペア:

[(1, 84328280), (2, 42164140), (4, 21082070), (5, 16865656), (8, 10541035), (10, 8432828), (20, 4216414), (40, 2108207), (1061, 79480), (1987, 42440), (2122, 39740), (3974, 21220), (4244, 19870), (5305, 15896), (7948, 10610), (8488, 9935)]