2780200

素因数分解:

$2^3\times 5^2\times {\mathrm{13901}}^1$

素因数の和:13917

約数の個数: 24

約数和(自身を含む): 6464430

約数和(自身を除く): 3684230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 13901, 27802, 55604, 69505, 111208, 139010, 278020, 347525, 556040, 695050, 1390100, 2780200]

約数ペア:

[(1, 2780200), (2, 1390100), (4, 695050), (5, 556040), (8, 347525), (10, 278020), (20, 139010), (25, 111208), (40, 69505), (50, 55604), (100, 27802), (200, 13901)]