47145520

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1181}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 109926000

約数和(自身を除く): 62780480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1181, 1996, 2362, 2495, 3992, 4724, 4990, 5905, 7984, 9448, 9980, 11810, 18896, 19960, 23620, 39920, 47240, 94480, 589319, 1178638, 2357276, 2946595, 4714552, 5893190, 9429104, 11786380, 23572760, 47145520]

約数ペア:

[(1, 47145520), (2, 23572760), (4, 11786380), (5, 9429104), (8, 5893190), (10, 4714552), (16, 2946595), (20, 2357276), (40, 1178638), (80, 589319), (499, 94480), (998, 47240), (1181, 39920), (1996, 23620), (2362, 19960), (2495, 18896), (3992, 11810), (4724, 9980), (4990, 9448), (5905, 7984)]