7843280

素因数分解:

$2^4\times 5^1\times {\mathrm{98041}}^1$

素因数の和:98054

約数の個数: 20

約数和(自身を含む): 18235812

約数和(自身を除く): 10392532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98041, 196082, 392164, 490205, 784328, 980410, 1568656, 1960820, 3921640, 7843280]

約数ペア:

[(1, 7843280), (2, 3921640), (4, 1960820), (5, 1568656), (8, 980410), (10, 784328), (16, 490205), (20, 392164), (40, 196082), (80, 98041)]