2000805920

素因数分解:

$2^5\times 5^1\times {\mathrm{12505037}}^1$

素因数の和:12505052

約数の個数: 24

約数和(自身を含む): 4726904364

約数和(自身を除く): 2726098444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12505037, 25010074, 50020148, 62525185, 100040296, 125050370, 200080592, 250100740, 400161184, 500201480, 1000402960, 2000805920]

約数ペア:

[(1, 2000805920), (2, 1000402960), (4, 500201480), (5, 400161184), (8, 250100740), (10, 200080592), (16, 125050370), (20, 100040296), (32, 62525185), (40, 50020148), (80, 25010074), (160, 12505037)]