39897320

素因数分解:

$2^3\times 5^1\times {\mathrm{997433}}^1$

素因数の和:997444

約数の個数: 16

約数和(自身を含む): 89769060

約数和(自身を除く): 49871740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997433, 1994866, 3989732, 4987165, 7979464, 9974330, 19948660, 39897320]

約数ペア:

[(1, 39897320), (2, 19948660), (4, 9974330), (5, 7979464), (8, 4987165), (10, 3989732), (20, 1994866), (40, 997433)]