39321440

素因数分解:

$2^5\times 5^1\times {\mathrm{245759}}^1$

素因数の和:245774

約数の個数: 24

約数和(自身を含む): 92897280

約数和(自身を除く): 53575840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 245759, 491518, 983036, 1228795, 1966072, 2457590, 3932144, 4915180, 7864288, 9830360, 19660720, 39321440]

約数ペア:

[(1, 39321440), (2, 19660720), (4, 9830360), (5, 7864288), (8, 4915180), (10, 3932144), (16, 2457590), (20, 1966072), (32, 1228795), (40, 983036), (80, 491518), (160, 245759)]