42880360

素因数分解:

$2^3\times 5^1\times {\mathrm{1072009}}^1$

素因数の和:1072020

約数の個数: 16

約数和(自身を含む): 96480900

約数和(自身を除く): 53600540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1072009, 2144018, 4288036, 5360045, 8576072, 10720090, 21440180, 42880360]

約数ペア:

[(1, 42880360), (2, 21440180), (4, 10720090), (5, 8576072), (8, 5360045), (10, 4288036), (20, 2144018), (40, 1072009)]