4255280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 10131792

約数和(自身を除く): 5876512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1237, 1720, 2474, 3440, 4948, 6185, 9896, 12370, 19792, 24740, 49480, 53191, 98960, 106382, 212764, 265955, 425528, 531910, 851056, 1063820, 2127640, 4255280]

約数ペア:

[(1, 4255280), (2, 2127640), (4, 1063820), (5, 851056), (8, 531910), (10, 425528), (16, 265955), (20, 212764), (40, 106382), (43, 98960), (80, 53191), (86, 49480), (172, 24740), (215, 19792), (344, 12370), (430, 9896), (688, 6185), (860, 4948), (1237, 3440), (1720, 2474)]