39780860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284149}}^1$

素因数の和:284165

約数の個数: 24

約数和(自身を含む): 95474400

約数和(自身を除く): 55693540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284149, 568298, 1136596, 1420745, 1989043, 2841490, 3978086, 5682980, 7956172, 9945215, 19890430, 39780860]

約数ペア:

[(1, 39780860), (2, 19890430), (4, 9945215), (5, 7956172), (7, 5682980), (10, 3978086), (14, 2841490), (20, 1989043), (28, 1420745), (35, 1136596), (70, 568298), (140, 284149)]