8003440

素因数分解:

$2^4\times 5^1\times {\mathrm{100043}}^1$

素因数の和:100056

約数の個数: 20

約数和(自身を含む): 18608184

約数和(自身を除く): 10604744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100043, 200086, 400172, 500215, 800344, 1000430, 1600688, 2000860, 4001720, 8003440]

約数ペア:

[(1, 8003440), (2, 4001720), (4, 2000860), (5, 1600688), (8, 1000430), (10, 800344), (16, 500215), (20, 400172), (40, 200086), (80, 100043)]