40497136

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28439}}^1$

素因数の和:28536

約数の個数: 20

約数和(自身を含む): 79347600

約数和(自身を除く): 38850464

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28439, 56878, 113756, 227512, 455024, 2531071, 5062142, 10124284, 20248568, 40497136]

約数ペア:

[(1, 40497136), (2, 20248568), (4, 10124284), (8, 5062142), (16, 2531071), (89, 455024), (178, 227512), (356, 113756), (712, 56878), (1424, 28439)]