39967120

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2791}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 93476160

約数和(自身を除く): 53509040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2791, 2864, 3580, 5582, 7160, 11164, 13955, 14320, 22328, 27910, 44656, 55820, 111640, 223280, 499589, 999178, 1998356, 2497945, 3996712, 4995890, 7993424, 9991780, 19983560, 39967120]

約数ペア:

[(1, 39967120), (2, 19983560), (4, 9991780), (5, 7993424), (8, 4995890), (10, 3996712), (16, 2497945), (20, 1998356), (40, 999178), (80, 499589), (179, 223280), (358, 111640), (716, 55820), (895, 44656), (1432, 27910), (1790, 22328), (2791, 14320), (2864, 13955), (3580, 11164), (5582, 7160)]