84207280

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1637}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 196206192

約数和(自身を除く): 111998912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1637, 2572, 3215, 3274, 5144, 6430, 6548, 8185, 10288, 12860, 13096, 16370, 25720, 26192, 32740, 51440, 65480, 130960, 1052591, 2105182, 4210364, 5262955, 8420728, 10525910, 16841456, 21051820, 42103640, 84207280]

約数ペア:

[(1, 84207280), (2, 42103640), (4, 21051820), (5, 16841456), (8, 10525910), (10, 8420728), (16, 5262955), (20, 4210364), (40, 2105182), (80, 1052591), (643, 130960), (1286, 65480), (1637, 51440), (2572, 32740), (3215, 26192), (3274, 25720), (5144, 16370), (6430, 13096), (6548, 12860), (8185, 10288)]