11457920

素因数分解:

$2^7\times 5^1\times {\mathrm{17903}}^1$

素因数の和:17922

約数の個数: 32

約数和(自身を含む): 27393120

約数和(自身を除く): 15935200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 17903, 35806, 71612, 89515, 143224, 179030, 286448, 358060, 572896, 716120, 1145792, 1432240, 2291584, 2864480, 5728960, 11457920]

約数ペア:

[(1, 11457920), (2, 5728960), (4, 2864480), (5, 2291584), (8, 1432240), (10, 1145792), (16, 716120), (20, 572896), (32, 358060), (40, 286448), (64, 179030), (80, 143224), (128, 89515), (160, 71612), (320, 35806), (640, 17903)]