55310980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6569}}^1$

素因数の和:6999

約数の個数: 24

約数和(自身を含む): 116446680

約数和(自身を除く): 61135700

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 6569, 8420, 13138, 26276, 32845, 65690, 131380, 2765549, 5531098, 11062196, 13827745, 27655490, 55310980]

約数ペア:

[(1, 55310980), (2, 27655490), (4, 13827745), (5, 11062196), (10, 5531098), (20, 2765549), (421, 131380), (842, 65690), (1684, 32845), (2105, 26276), (4210, 13138), (6569, 8420)]