204090800

素因数分解:

$2^4\times 5^2\times {\mathrm{510227}}^1$

素因数の和:510245

約数の個数: 30

約数和(自身を含む): 490329108

約数和(自身を除く): 286238308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 510227, 1020454, 2040908, 2551135, 4081816, 5102270, 8163632, 10204540, 12755675, 20409080, 25511350, 40818160, 51022700, 102045400, 204090800]

約数ペア:

[(1, 204090800), (2, 102045400), (4, 51022700), (5, 40818160), (8, 25511350), (10, 20409080), (16, 12755675), (20, 10204540), (25, 8163632), (40, 5102270), (50, 4081816), (80, 2551135), (100, 2040908), (200, 1020454), (400, 510227)]