11152720

素因数分解:

$2^4\times 5^1\times {\mathrm{139409}}^1$

素因数の和:139422

約数の個数: 20

約数和(自身を含む): 25930260

約数和(自身を除く): 14777540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139409, 278818, 557636, 697045, 1115272, 1394090, 2230544, 2788180, 5576360, 11152720]

約数ペア:

[(1, 11152720), (2, 5576360), (4, 2788180), (5, 2230544), (8, 1394090), (10, 1115272), (16, 697045), (20, 557636), (40, 278818), (80, 139409)]