2005018520

素因数分解:

$2^3\times 5^1\times {\mathrm{50125463}}^1$

素因数の和:50125474

約数の個数: 16

約数和(自身を含む): 4511291760

約数和(自身を除く): 2506273240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50125463, 100250926, 200501852, 250627315, 401003704, 501254630, 1002509260, 2005018520]

約数ペア:

[(1, 2005018520), (2, 1002509260), (4, 501254630), (5, 401003704), (8, 250627315), (10, 200501852), (20, 100250926), (40, 50125463)]