28344560

素因数分解:

$2^4\times 5^1\times {\mathrm{354307}}^1$

素因数の和:354320

約数の個数: 20

約数和(自身を含む): 65901288

約数和(自身を除く): 37556728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354307, 708614, 1417228, 1771535, 2834456, 3543070, 5668912, 7086140, 14172280, 28344560]

約数ペア:

[(1, 28344560), (2, 14172280), (4, 7086140), (5, 5668912), (8, 3543070), (10, 2834456), (16, 1771535), (20, 1417228), (40, 708614), (80, 354307)]