39966260

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1789}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 84051240

約数和(自身を除く): 44084980

約数列:

[1, 2, 4, 5, 10, 20, 1117, 1789, 2234, 3578, 4468, 5585, 7156, 8945, 11170, 17890, 22340, 35780, 1998313, 3996626, 7993252, 9991565, 19983130, 39966260]

約数ペア:

[(1, 39966260), (2, 19983130), (4, 9991565), (5, 7993252), (10, 3996626), (20, 1998313), (1117, 35780), (1789, 22340), (2234, 17890), (3578, 11170), (4468, 8945), (5585, 7156)]