40380368

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4155

約数の個数: 40

約数和(自身を含む): 90440640

約数和(自身を除く): 50060272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4051, 4984, 8102, 9968, 16204, 28357, 32408, 56714, 64816, 113428, 226856, 360539, 453712, 721078, 1442156, 2523773, 2884312, 5047546, 5768624, 10095092, 20190184, 40380368]

約数ペア:

[(1, 40380368), (2, 20190184), (4, 10095092), (7, 5768624), (8, 5047546), (14, 2884312), (16, 2523773), (28, 1442156), (56, 721078), (89, 453712), (112, 360539), (178, 226856), (356, 113428), (623, 64816), (712, 56714), (1246, 32408), (1424, 28357), (2492, 16204), (4051, 9968), (4984, 8102)]