395840

素因数分解:

$2^6\times 5^1\times {\mathrm{1237}}^1$

素因数の和:1254

約数の個数: 28

約数和(自身を含む): 943356

約数和(自身を除く): 547516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1237, 2474, 4948, 6185, 9896, 12370, 19792, 24740, 39584, 49480, 79168, 98960, 197920, 395840]

約数ペア:

[(1, 395840), (2, 197920), (4, 98960), (5, 79168), (8, 49480), (10, 39584), (16, 24740), (20, 19792), (32, 12370), (40, 9896), (64, 6185), (80, 4948), (160, 2474), (320, 1237)]