15980200

素因数分解:

$2^3\times 5^2\times {\mathrm{79901}}^1$

素因数の和:79917

約数の個数: 24

約数和(自身を含む): 37154430

約数和(自身を除く): 21174230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 79901, 159802, 319604, 399505, 639208, 799010, 1598020, 1997525, 3196040, 3995050, 7990100, 15980200]

約数ペア:

[(1, 15980200), (2, 7990100), (4, 3995050), (5, 3196040), (8, 1997525), (10, 1598020), (20, 799010), (25, 639208), (40, 399505), (50, 319604), (100, 159802), (200, 79901)]