49671680

素因数分解:

$2^9\times 5^1\times {\mathrm{19403}}^1$

素因数の和:19426

約数の個数: 40

約数和(自身を含む): 119101752

約数和(自身を除く): 69430072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 19403, 38806, 77612, 97015, 155224, 194030, 310448, 388060, 620896, 776120, 1241792, 1552240, 2483584, 3104480, 4967168, 6208960, 9934336, 12417920, 24835840, 49671680]

約数ペア:

[(1, 49671680), (2, 24835840), (4, 12417920), (5, 9934336), (8, 6208960), (10, 4967168), (16, 3104480), (20, 2483584), (32, 1552240), (40, 1241792), (64, 776120), (80, 620896), (128, 388060), (160, 310448), (256, 194030), (320, 155224), (512, 97015), (640, 77612), (1280, 38806), (2560, 19403)]