7123280

素因数分解:

$2^4\times 5^1\times {\mathrm{89041}}^1$

素因数の和:89054

約数の個数: 20

約数和(自身を含む): 16561812

約数和(自身を除く): 9438532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89041, 178082, 356164, 445205, 712328, 890410, 1424656, 1780820, 3561640, 7123280]

約数ペア:

[(1, 7123280), (2, 3561640), (4, 1780820), (5, 1424656), (8, 890410), (10, 712328), (16, 445205), (20, 356164), (40, 178082), (80, 89041)]