28336720

素因数分解:

$2^4\times 5^1\times {\mathrm{354209}}^1$

素因数の和:354222

約数の個数: 20

約数和(自身を含む): 65883060

約数和(自身を除く): 37546340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354209, 708418, 1416836, 1771045, 2833672, 3542090, 5667344, 7084180, 14168360, 28336720]

約数ペア:

[(1, 28336720), (2, 14168360), (4, 7084180), (5, 5667344), (8, 3542090), (10, 2833672), (16, 1771045), (20, 1416836), (40, 708418), (80, 354209)]