16915840

素因数分解:

$2^7\times 5^1\times {\mathrm{26431}}^1$

素因数の和:26450

約数の個数: 32

約数和(自身を含む): 40440960

約数和(自身を除く): 23525120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 26431, 52862, 105724, 132155, 211448, 264310, 422896, 528620, 845792, 1057240, 1691584, 2114480, 3383168, 4228960, 8457920, 16915840]

約数ペア:

[(1, 16915840), (2, 8457920), (4, 4228960), (5, 3383168), (8, 2114480), (10, 1691584), (16, 1057240), (20, 845792), (32, 528620), (40, 422896), (64, 264310), (80, 211448), (128, 132155), (160, 105724), (320, 52862), (640, 26431)]