201056720

素因数分解:

$2^4\times 5^1\times {\mathrm{2513209}}^1$

素因数の和:2513222

約数の個数: 20

約数和(自身を含む): 467457060

約数和(自身を除く): 266400340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2513209, 5026418, 10052836, 12566045, 20105672, 25132090, 40211344, 50264180, 100528360, 201056720]

約数ペア:

[(1, 201056720), (2, 100528360), (4, 50264180), (5, 40211344), (8, 25132090), (10, 20105672), (16, 12566045), (20, 10052836), (40, 5026418), (80, 2513209)]