625532540

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{48341}}^1$

素因数の和:48997

約数の個数: 24

約数和(自身を含む): 1315675872

約数和(自身を除く): 690143332

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 48341, 96682, 193364, 241705, 483410, 966820, 31276627, 62553254, 125106508, 156383135, 312766270, 625532540]

約数ペア:

[(1, 625532540), (2, 312766270), (4, 156383135), (5, 125106508), (10, 62553254), (20, 31276627), (647, 966820), (1294, 483410), (2588, 241705), (3235, 193364), (6470, 96682), (12940, 48341)]