200719880

素因数分解:

$2^3\times 5^1\times {\mathrm{5017997}}^1$

素因数の和:5018008

約数の個数: 16

約数和(自身を含む): 451619820

約数和(自身を除く): 250899940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5017997, 10035994, 20071988, 25089985, 40143976, 50179970, 100359940, 200719880]

約数ペア:

[(1, 200719880), (2, 100359940), (4, 50179970), (5, 40143976), (8, 25089985), (10, 20071988), (20, 10035994), (40, 5017997)]