125625520

素因数分解:

$2^4\times 5^1\times {\mathrm{1570319}}^1$

素因数の和:1570332

約数の個数: 20

約数和(自身を含む): 292079520

約数和(自身を除く): 166454000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1570319, 3140638, 6281276, 7851595, 12562552, 15703190, 25125104, 31406380, 62812760, 125625520]

約数ペア:

[(1, 125625520), (2, 62812760), (4, 31406380), (5, 25125104), (8, 15703190), (10, 12562552), (16, 7851595), (20, 6281276), (40, 3140638), (80, 1570319)]