8128760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1973}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 18476640

約数和(自身を除く): 10347880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1973, 2060, 3946, 4120, 7892, 9865, 15784, 19730, 39460, 78920, 203219, 406438, 812876, 1016095, 1625752, 2032190, 4064380, 8128760]

約数ペア:

[(1, 8128760), (2, 4064380), (4, 2032190), (5, 1625752), (8, 1016095), (10, 812876), (20, 406438), (40, 203219), (103, 78920), (206, 39460), (412, 19730), (515, 15784), (824, 9865), (1030, 7892), (1973, 4120), (2060, 3946)]