28253080

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1237}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 63732240

約数和(自身を除く): 35479160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1237, 2284, 2474, 2855, 4568, 4948, 5710, 6185, 9896, 11420, 12370, 22840, 24740, 49480, 706327, 1412654, 2825308, 3531635, 5650616, 7063270, 14126540, 28253080]

約数ペア:

[(1, 28253080), (2, 14126540), (4, 7063270), (5, 5650616), (8, 3531635), (10, 2825308), (20, 1412654), (40, 706327), (571, 49480), (1142, 24740), (1237, 22840), (2284, 12370), (2474, 11420), (2855, 9896), (4568, 6185), (4948, 5710)]