248804560

素因数分解:

$2^4\times 5^1\times {\mathrm{3110057}}^1$

素因数の和:3110070

約数の個数: 20

約数和(自身を含む): 578470788

約数和(自身を除く): 329666228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3110057, 6220114, 12440228, 15550285, 24880456, 31100570, 49760912, 62201140, 124402280, 248804560]

約数ペア:

[(1, 248804560), (2, 124402280), (4, 62201140), (5, 49760912), (8, 31100570), (10, 24880456), (16, 15550285), (20, 12440228), (40, 6220114), (80, 3110057)]