2450680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 5559840

約数和(自身を除く): 3109160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 311, 394, 622, 788, 985, 1244, 1555, 1576, 1970, 2488, 3110, 3940, 6220, 7880, 12440, 61267, 122534, 245068, 306335, 490136, 612670, 1225340, 2450680]

約数ペア:

[(1, 2450680), (2, 1225340), (4, 612670), (5, 490136), (8, 306335), (10, 245068), (20, 122534), (40, 61267), (197, 12440), (311, 7880), (394, 6220), (622, 3940), (788, 3110), (985, 2488), (1244, 1970), (1555, 1576)]