971240720

素因数分解:

$2^4\times 5^1\times {\mathrm{12140509}}^1$

素因数の和:12140522

約数の個数: 20

約数和(自身を含む): 2258134860

約数和(自身を除く): 1286894140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12140509, 24281018, 48562036, 60702545, 97124072, 121405090, 194248144, 242810180, 485620360, 971240720]

約数ペア:

[(1, 971240720), (2, 485620360), (4, 242810180), (5, 194248144), (8, 121405090), (10, 97124072), (16, 60702545), (20, 48562036), (40, 24281018), (80, 12140509)]