203480560

素因数分解:

$2^4\times 5^1\times {\mathrm{2543507}}^1$

素因数の和:2543520

約数の個数: 20

約数和(自身を含む): 473092488

約数和(自身を除く): 269611928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543507, 5087014, 10174028, 12717535, 20348056, 25435070, 40696112, 50870140, 101740280, 203480560]

約数ペア:

[(1, 203480560), (2, 101740280), (4, 50870140), (5, 40696112), (8, 25435070), (10, 20348056), (16, 12717535), (20, 10174028), (40, 5087014), (80, 2543507)]