40960456

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 78408000

約数和(自身を除く): 37447544

約数列:

[1, 2, 4, 8, 107, 109, 214, 218, 428, 436, 439, 856, 872, 878, 1756, 3512, 11663, 23326, 46652, 46973, 47851, 93304, 93946, 95702, 187892, 191404, 375784, 382808, 5120057, 10240114, 20480228, 40960456]

約数ペア:

[(1, 40960456), (2, 20480228), (4, 10240114), (8, 5120057), (107, 382808), (109, 375784), (214, 191404), (218, 187892), (428, 95702), (436, 93946), (439, 93304), (856, 47851), (872, 46973), (878, 46652), (1756, 23326), (3512, 11663)]