55047760

素因数分解:

$2^4\times 5^1\times {\mathrm{688097}}^1$

素因数の和:688110

約数の個数: 20

約数和(自身を含む): 127986228

約数和(自身を除く): 72938468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688097, 1376194, 2752388, 3440485, 5504776, 6880970, 11009552, 13761940, 27523880, 55047760]

約数ペア:

[(1, 55047760), (2, 27523880), (4, 13761940), (5, 11009552), (8, 6880970), (10, 5504776), (16, 3440485), (20, 2752388), (40, 1376194), (80, 688097)]