28144660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13933}}^1$

素因数の和:14043

約数の個数: 24

約数和(自身を含む): 59693256

約数和(自身を除く): 31548596

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 13933, 27866, 55732, 69665, 139330, 278660, 1407233, 2814466, 5628932, 7036165, 14072330, 28144660]

約数ペア:

[(1, 28144660), (2, 14072330), (4, 7036165), (5, 5628932), (10, 2814466), (20, 1407233), (101, 278660), (202, 139330), (404, 69665), (505, 55732), (1010, 27866), (2020, 13933)]