27821960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5077}}^1$

素因数の和:5225

約数の個数: 32

約数和(自身を含む): 63068760

約数和(自身を除く): 35246800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5077, 5480, 10154, 20308, 25385, 40616, 50770, 101540, 203080, 695549, 1391098, 2782196, 3477745, 5564392, 6955490, 13910980, 27821960]

約数ペア:

[(1, 27821960), (2, 13910980), (4, 6955490), (5, 5564392), (8, 3477745), (10, 2782196), (20, 1391098), (40, 695549), (137, 203080), (274, 101540), (548, 50770), (685, 40616), (1096, 25385), (1370, 20308), (2740, 10154), (5077, 5480)]