85377920

素因数分解:

$2^7\times 5^1\times {\mathrm{133403}}^1$

素因数の和:133422

約数の個数: 32

約数和(自身を含む): 204108120

約数和(自身を除く): 118730200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133403, 266806, 533612, 667015, 1067224, 1334030, 2134448, 2668060, 4268896, 5336120, 8537792, 10672240, 17075584, 21344480, 42688960, 85377920]

約数ペア:

[(1, 85377920), (2, 42688960), (4, 21344480), (5, 17075584), (8, 10672240), (10, 8537792), (16, 5336120), (20, 4268896), (32, 2668060), (40, 2134448), (64, 1334030), (80, 1067224), (128, 667015), (160, 533612), (320, 266806), (640, 133403)]