27777920

素因数分解:

$2^7\times 5^1\times {\mathrm{43403}}^1$

素因数の和:43422

約数の個数: 32

約数和(自身を含む): 66408120

約数和(自身を除く): 38630200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43403, 86806, 173612, 217015, 347224, 434030, 694448, 868060, 1388896, 1736120, 2777792, 3472240, 5555584, 6944480, 13888960, 27777920]

約数ペア:

[(1, 27777920), (2, 13888960), (4, 6944480), (5, 5555584), (8, 3472240), (10, 2777792), (16, 1736120), (20, 1388896), (32, 868060), (40, 694448), (64, 434030), (80, 347224), (128, 217015), (160, 173612), (320, 86806), (640, 43403)]