16003280

素因数分解:

$2^4\times 5^1\times {\mathrm{200041}}^1$

素因数の和:200054

約数の個数: 20

約数和(自身を含む): 37207812

約数和(自身を除く): 21204532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 200041, 400082, 800164, 1000205, 1600328, 2000410, 3200656, 4000820, 8001640, 16003280]

約数ペア:

[(1, 16003280), (2, 8001640), (4, 4000820), (5, 3200656), (8, 2000410), (10, 1600328), (16, 1000205), (20, 800164), (40, 400082), (80, 200041)]